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<h1><span class="d-block text-primary">The Once -Only Hubhub.</span>span>Unlocking the Collaboratefull topotential build the first EU Data Space.</h1>
<p>The Once Only Technical System (OOTS) is the first EU cross-domain data space for secure government-to-government data exchange.</p>
<p>To make OOTS a reality, the European Commission established the Once Only Hub (OOHUB), a space for implementors where they can discover and access all the services provided by the European Commission to implement the Once Only Technical System.<span class="d-block not-d-block-mobile">of the Single Market.</span></h1>
<p class="lead">
Welcome to the Once-Only Hub, a single environment providing reliable information and services relating to the Once-Only Technical System.
<p>
<p class="lead">
The Once-Only Technical System lets EU public authorities securely exchange official documents and data at the request of citizens and businesses as part of cross-border administrative procedures, e.g., when registering an address or vehicle when moving abroad. This innovative system eliminates the complicated manual search, mapping, and fetching of data between Member State authorities, improving efficiency, making people's lives easier, and reducing the costs of mobility in the Single Market.
</p>
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Who's the HUB for?

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<h3 class="h4">SDG coordination group</h3> 
<p>Responsible for the <strong>implementation of OOTS</strong> in their member state.</p>
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<h3 class="h4">Competent authorities</h3> 
<p>The authorities which must <strong>allow their users to retrieve requested evidence</strong> using OOTS.</p>
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<h3 class="h4">Solution providers</h3> 
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How does OOTS work?

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Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Learn more about OOTS in our guidance report.

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<p><a class="btn ghost" href="#"><span>Download the OOTS Guidance Report</span></a></p>
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<h2>Video</h2>
<p class="past-insights-p">Watch this video to learn more about Once-Only.</p>

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<iframe src="https://europa.eu/webtools/crs/iframe/?oriurl=https%3A%2F%2Fwww.youtube.com%2fembed%2fuxJnsrf6BCw" allowfullscreen="" width="100%" height="315" frameborder="0"></iframe>
</div> 
<div class="card-grid"> <div class="card-grid-body"> <p><small>Chapter 2</small></p> <h3 class="h5">User Identification, Authentication and Record Matching</h3> <p>This chapter deepdives into the use and purpose of the eID Building Block and eIDAS attributes in the Once-Only Technical System to support user identification and authentication.</p> </div> <div class="card-grid-footer"> <p>Release date: <strong>October 2022</strong></p> <p><a class="btn primary" href="#"><span>View chapter<
/span><span class="ico-cta-forward"></span></a></p> 
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<p><small>Chapter 3</small></p> <h3
<p><img aria-hidden="true" alt="" class="
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>Common services</h3> <p>This chapter provides the information model and technical documentation of the identified Common Services, which are the Data Service Directory, the Evidence Broker and the Semantic Repository.</p> </div> <div class="card-grid-footer"> <p>Release date: <strong>October 2022</strong></p>
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<h3 class="h5">Once-Only Technical System - user journey for cross-border procedures</h3>
<p class="opacity-75">The user-journey refers to the steps anyone, a citizen or business, must take when using the Once-Only Technical System with a mind to the overall experience the user has.</p>
<p><a class="btn 
primary
ghost" href="
#"><span>View chapter</span><span class="ico-cta"></span></a></p> </div> </div><div class="card-grid">
https://ec.europa.eu/digital-building-blocks/sites/display/OOTS/User+Journey+-+Step+1+Authentication"><span>Discover the OOTS user journey</span><span class="ico-cta-forward"></span></a></p>  
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<p><small>Chapter 4</small></p> <h3 class="h5">Evidence Exchange</h3> <p>This chapter describes correlated messages and how the
<p><img aria-hidden="true" alt="" class="architectural-design-illu" src="https://ec.europa.eu/digital-building-blocks/sites/download/attachments/565379323/illu-oots-architecture.png"></p> 
<h3 class="h5">Once-Only Technical System architecture</h3>
<p class="opacity-75">The Once-Only Technical System 
(OOTS)
architecture 
specifications
adopts 
define
a 
in detail the structure
decentralised approach, 
content
integrating and 
message exchange parameters.</p> </div> <div class="card-grid-footer"> <p>Release date: <strong>October 2022</strong></
connecting systems through an interoperability layer using reusable "Building Blocks".</p>
<p><a class="btn 
primary
ghost" href="
#"><span>View chapter<
https://ec.europa.eu/digital-building-blocks/sites/display/OOTS/Architecture"><span>Learn about the OOTS architecture</span><span class="ico-cta-forward"></span></a></p>  
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<h2>Introduction to the Once-Only Technical System (OOTS)</h2>
<p class="mb-0">The Once-Only Technical System is a technical framework for data sharing. As of the end of 2023, citizens and businesses will be able to request official documents (known as “evidence”) to complete administrative procedures allowing people to study, work, live and retire in other EU countries in 7 simple steps. The decentralised architecture connects public authorities, so they can exchange evidence at the citizen's or business' request.</p>
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<p>Discover the 21 procedures covered by the SDG Regulation in the scope of Once-Only Technical System and how EU citizens and businesses can benefit from Once-Only Technical System.</p> 
<p><a class="btn ghost" href="https://ec.europa.eu/digital-building-blocks/sites/display/OOTS/About+OOTS"><span>Discover the Once-Only Technical System overview<
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Technical documentation

The technical and operational specifications of the Once Only Technical System (OOTS), laid down in the Commission’s Implementing Regulation setting out the system, are complemented by detailed, non-binding technical design documents (TDDs) resulting from the common efforts of the Commission and Member States.

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<p><small>Chapter 1</small></p>
<h3 class="h5">Introduction - High Level Architecture</h3>
<p>This chapter provides a high-level overview of the architecture of the Once-Only Technical System (OOTS) of the Single Digital Gateway (SDG) and serves as an introduction to all technical design documents.</p>
</div>
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<p>Release date: <strong>October 2022</strong></p>
<p><a class="btn primary" href="#"><span>View chapter</span><span class="ico-cta"></span></a></p>
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<p><small>Chapter 5</small></p> <h3
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<div class="
h5">Data Models</h3> <p>This chapter has coveres the semantic interoperability issues in designing the single technical system for the SDG and ensuring its interconnection with EU Member States' IT systems and EU-level systems.</p> </div>
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<p>Release date: <strong>October 2022</strong></p> <p><a class="btn primary" href="#"><span>View chapter</span><span class="ico-cta"></span></a></p> </div> </div><div class="card-grid"> <div class="card-grid-body"> <p><small>Chapter
<h3 class="h5">OOTS Guidance Presentation</h3> 
<p class="p-opacity">The Guidance Presentation provides a useful introduction for teams across the EU working on the implementation of the Once-Only Technical System.</p>
<p><a class="btn primary-bis" href="https://ec.europa.eu/digital-building-blocks/sites/download/attachments/592642240/OOTS-guidance-Q3-2022.pdf" onclick="_paq.push(['trackEvent','conversion','home-page','oots-guidance-presentation'])"><span>Download OOTS Guidance Presentation</span><span class="ico-download"> </span></a></p> 
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Projectathons. These are three-day events where national teams connect various systems and perform a marathon of peer-to-peer interoperability and compliance tests in a structured environment.</p>
<p>Discover more details about Projectathons and explore the steps you need to take to actively participate in the upcoming Projectathons.</p>
<p><a class="btn ghost" href="
#"><span>View all latest chapter releases<
https://ec.europa.eu/digital-building-blocks/sites/display/OOTS/Projectathons"><span>Go to Projectathons</span><span class="ico-cta-forward"></span></a></p>
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<h2>Once-Only Technical System Projectathons</h2>
<p class="p-spacing">Since 2023, the Commission has been organising
6</small></p> <h3 class="h5">OOTS Guidance & UX Recommendations</h3> <p>This chapter provides a high-level overview of how the
 Once-Only Technical System 
(OOTS) of the Single Digital Gateway (SDG) works as well as detailed UX recommendations.</p> </div> <div class="card-grid-footer"> <p>Release date: <strong>October 2022</strong></p> <p><a class="btn primary" href="#"><span>View chapter</span><span class="ico-cta"></span></a></p> </div> </div>
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pointer-events: none;"></a>
<h3>Projectathon #4</h3>  
<!--<p class="label upcoming">Upcoming</p>-->
<p class="
opacity-75">This service is an authoritative system that maps specific data sets as Evidence types that prove specific requirements
label past">Past</p> 
<p>In 2024, the Commission will organise two thematic Projectathons. The 
consults
May 
the
2024 
to
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find
will 
which
focus 
types
on 
of
Education 
evidence
and 
can
Population 
be
data, 
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on 
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as EMREX.</p>
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<p class="card-
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footer"> <p><span class="badge sm">In development</span></p> <p class="opacity-50">Expected release date: <strong>December 2022</strong></
date">15 - 17 May 2024</p>
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<div
<a class="
card-grid-body"> <p><img aria-hidden="true" alt="" src
btn ghost" href="https://ec.europa.eu/digital-building-blocks/sites/
download
display/
attachments/565379323/ico-article-secondary.svg"></p> <h3 class="h5">Data Service Directory (DSD)</h3> <p class="opacity-75">This common service acts as a catalogue of Evidence types that the can provide upon request. It is used in the Evidence Exchange process by the Evidence Requesters to discover the Evidence Providers that can provide the evidence they require.</p> </div> <div class="card-grid-footer"> <p><span class="badge sm">In development</span></p> <p class="opacity-50">Expected release date: <strong>December 2022</strong></p> </div> </div>
OOTS/Projectathon4"><span>Go to Projectathon #4</span><span class="ico-cta-forward"></span></a>
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<h3>Projectathon #3</h3>  
<p class="label past">Past</p>   
<p>The October Projectathon is the final such event in 2023, just ahead of the legal deadline for EU Member States to implement the Once-Only Technical System. It builds on the work and experiences of the April and June Projectathons.</p>
<p class="card-upcoming-date">18 - 20 October 2023</p>
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download
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OOTS/Projectathon3"><span>Go to Projectathon #3</span><span class="ico-cta-forward"></span></a>
<!--<p class="
h5">Semantic Repository (SR)</h3> <p class="opacity-75">This common service that act as a data portal for OOTS, storing commonly agreed information models grouped by domain, providing them under multiple representation techniques.</p> </div> <div class="card-grid-footer"> <p><span class="badge sm">In development</span></p> <p class="opacity-50">Expected release date: <strong>December 2022</strong></p> </div> </div>
label available-soon">Available soon</p>--> 
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<h2>Common services</h2> <p
<div class="
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<h2>Common and supporting services</h2>
<p>To provide comprehensive support and proper exchange of evidence between Data Services and Online Procedure Portals, the Once-Only Technical System uses Once-Only common services and additional supporting services.</p>
<p><a class="btn ghost" href="https://ec.europa.eu/digital-building-blocks/sites/display/OOTS/Common+and+Supporting+services"><span>Go to common &  supporting services</span><span class="ico-cta-forward"></span></a></p>
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Supporting services

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<h3 class="h5">Testing</h3>

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<div class="
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cols technical-
services-container"> <p>The goal of the OOTS Testing services is to assist Member State teams in implementing the Once-Only Technical System (OOTS) as defined in the Implementing Regulation (IR) and Technical Design Documents (TDDs). Information on the available testing services, including the test platform and tools to facilitate testing can be found on the following protected wiki space</p>
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<h2>Technical design documentation</h2>
<p>The technical and operational specifications of the Once-Only Technical System, are complemented by detailed, non-binding technical design documents jointly prepared by the Commission and Member States.</p>
<p><a class="btn ghost" href="
#
https://ec.europa.eu/digital-building-blocks/sites/display/OOTS/Technical+Design+Documents"><span>Go to Technical 
wiki<
design documentation</span><span class="ico-cta-forward"></span></a></p>
</div>

<div class="supporting-services-container"> <p>Member State teams that would like to get access are invited to contact their National Coordinator or the EC OOTS Support Desk via mail: <a href="mailto:EC-OOTS-SUPPORT@ec.europa.eu" target="_blank">EC-OOTS-SUPPORT@ec.europa.eu</a></p> <p><a class="btn ghost" href="#"><span>Contact via email</span></a></p> </div>
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Collaborate with us

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<div class="card-grid"> <div class="card-grid-body"> <p><img
<a target="_blank" href="https://ec.europa.eu/transparency/expert-groups-register/screen/expert-groups/consult?lang=en&do=groupDetail.groupDetail&groupID=3639">group</a> is to coordinate the implementation work around the setup of the Once-Only Technical System. The members of this group are the Member States (and other public entities). This groups is only accessible by representatives of the Member States (and other public entities).</p>
<!--<p><a class="btn primary-negative" target="_blank" href="https://ec.europa.eu/transparency/expert-groups-register/screen/expert-groups/consult?lang=en&do=groupDetail.groupDetail&groupID=3639"><span>Visit our space</span><span class="ico-cta"></span></a></p>-->
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><span><a class="
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>Data Service Directory (DSD)</h3> <p class="opacity-75">This common service acts as a catalogue of Evidence types that the can provide upon request. It is used in the Evidence Exchange process by the Evidence Requesters to discover the Evidence Providers that can provide the evidence they require.</p> </div> <div class="card-grid-footer"> <p><span class="badge sm">In development</span></p> <p class="opacity-50">Expected release date: <strong>December 2022</strong></p> </div> </div>
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<h2>Collaborate with us</h2>

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>Evidence Broker (EB)<
>SDG Once-Only Collaborative Space</h3>
<p class="opacity-75"
>This
>In 
service
the 
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context 
an
of 
authoritative
the 
system
Once-Only 
that
Technical 
maps
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specific
the 
data
mission 
sets
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this 
Evidence types that prove specific requirements. The consults the to find which types of evidence can be requested as evidence for a specific Evidence Subject, taking into account the Subject's location and/or jurisdiction. </p> </div> <div class="card-grid-footer"> <p><span class="badge sm">In development</span></p> <p class="opacity-50">Expected release date: <strong>December 2022</strong></p> </div> </div>
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<h3 class="h5">Sub-groups</h3>
<p class="opacity-75">Six sub-groups have been set-up to examine specific topics related to the Once-Only Technical System and are expected to report to the Single Digital Gateway Coordination Group. They enable the participation of all Member States in the discussion and ensure the work done by Member State experts is monitored. The sub-groups can only be joined by experts officially nominated by their National Coordinators.</p>
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Service desk

The service desk helps Contributors get access to the Confluence and answers to any technical issues. Contributors are added to specific user groups which allow them to see the dedicated pages of the sub-groups they are working on.

Html-bobswift
<p><a class="btn ghost" href="#"><span>Contact the service desk</span></a></p>
Sub-groups+-+SDG+OOTS">Restricted space</a></span></p>    
</div>
</div>

<div class="cols">
<div class="col-6">
<h3>OOTS Projectathon collaborative space</h3>
<p class="opacity-75">The objective of this space is to encourage dialogue and exchange of ideas between stakeholders in an open and transparent environment. It will mainly serve to promote the Implementers Café series in preparation of the Projectathons. Space users should be implementers of the Once-Only Technical System.</p>

<ul class="collaborate-with-us-list-link">
<li class="ico-next-to before"><img aria-hidden="true" alt="" src="https://ec.europa.eu/digital-building-blocks/sites/download/attachments/581239505/ico-lock-secondary.svg"><span><a class="restricted-space-link" target="_blank" href="https://ec.europa.eu/digital-building-blocks/wikis/pages/viewpage.action?spaceKey=OOTSICS&title=OOTS+Projectathon+collaborative+space">Access this restricted space</a></span></li>

<li class="ico-next-to before"><img aria-hidden="true" alt="" src="https://ec.europa.eu/digital-building-blocks/sites/download/attachments/581239505/ico-live-help-secondary.svg"><span><a class="restricted-space-link" target="_blank" href="https://ec.europa.eu/digital-building-blocks/tracker/plugins/servlet/desk/portal/15/create/295">Request access (via Service Desk)</a></span></li>     
</ul>
</div>
</div>


</div>
Div
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Div
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Div
classcols justify-content-center align-items-center
Div
classcol-3 text-center
Html-bobswift
<p class="service-desk-p-img"><img aria-hidden="true" alt="" class="img-mobile" src="https://ec.europa.eu/digital-building-blocks/sites/download/attachments/565379323/illu-service-desk.png"></p>
Html-bobswift
<div class="col-5">
<h2>Service desk</h2>
<p>The Service Desk helps users improve the performance, continuity and reliability of their Once-Only Technical System implementations.</p>
<p class="service-desk-cta"><a class="btn ghost" href="https://ec.europa.eu/digital-building-blocks/sites/display/OOTS/Service+Desk"><span>Contact the Service Desk</span></a></p>
</div>
Div
idmonitoring
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classcontainer
Html-bobswift
<div class="cols">
<div>

<h2>Once-Only Technical System in use</h2>

</div>
</div>

<div class="card-monitoring-cols">

<!--CARD 01-->
<div class="card-monitoring-col">
<div class="card-monitoring">
<div class="card-monitoring-header">
<h3>Projectathons</h3>
</div>
<div class="card-monitoring-body">
<div class="card-monitoring-body-number"><div class="card-monitoring-body-number-inner"><span>27</span><span>Member States</span></div></div>
<div class="card-monitoring-body-content"><p>Number of Member States participating in OOTS Projectathons.</p></div>
</div>
<div class="card-monitoring-footer">
</div>
</div>
</div>
<!---->

<!--CARD 02-->
<div class="card-monitoring-col">
<div class="card-monitoring">
<div class="card-monitoring-header">
<h3>Common Services</h3>
</div>
<div class="card-monitoring-body">
<div class="card-monitoring-body-number"><div class="card-monitoring-body-number-inner"><span>26</span><span>Member States</span></div></div>
<div class="card-monitoring-body-content"><p>Number of Member States connected to Commission-provided Common Services.</p></div>
</div>
<div class="card-monitoring-footer">
</div>
</div>
</div>
<!---->

<!--CARD 03-->
<div class="card-monitoring-col">
<div class="card-monitoring">
<div class="card-monitoring-header">
<h3>Testing Services</h3>
</div>
<div class="card-monitoring-body">
<div class="card-monitoring-body-number"><div class="card-monitoring-body-number-inner"><span>22</span><span>Member States</span></div></div>
<div class="card-monitoring-body-content"><p>Number of Member States connected to Testing Services.</p></div>
</div>
<div class="card-monitoring-footer">
</div>
</div>
</div>
<!---->

</div>

<div class="col monitoring-cta">
<div>

<a class="btn ghost" href="https://ec.europa.eu/digital-building-blocks/sites/display/OOTS/Digital+Monitoring+Dashboard"><span>Go to main dashboard</span><span class="ico-cta-forward"></span></a>

</div>
</div>
CSS Stylesheet
/*---------------------------------*/
/*---OOH HOME PAGE - 27-03-2024---*/
/*-------------------------------*/

.mb-0 { margin-bottom: 0;}

@media screen and (max-width: 769px) {
  .img-mobile { width: 180px;}
}

@media screen and (max-width: 1200px) {
  .not-d-block-mobile  { display:inline !important;}
}

/*---INTRODUCTION---*/
#introduction .introduction-text { z-index: 3; position: relative;}
#introduction h1 { margin-bottom:2.5rem;}
#introduction p.lead { margin-bottom:0;}

#introduction .introduction-illu { position: relative;}
.introduction-illu-img { z-index: 2; position: relative; width: 180px;}
.introduction-illu p { margin-bottom:0;}  

@media screen and (max-width: 768px) {
  #introduction { overflow:visible;}
  .introduction-illu-bg { display:none;}
}

@media screen and (min-width: 769px) {
  #introduction { overflow:hidden;}
  .introduction-illu-img { width: 100%; max-width: 390px; height: auto;}
  .introduction-illu-bg { z-index: 1; position:absolute; top: -8%; left:-8%;}
}

/*---ARCHITECTURAL DESIGN---*/
#architectural-design { padding-bottom:16rem; background: #F3F4F7;}
#architectural-design h2 { margin-bottom:2.5rem;}   
#architectural-design .cols:last-child p:last-child { margin-bottom:0;}
/*hack - remove empty p from confluence*/
#architectural-design > p:first-child, #architectural-design > p:last-child { display: none; border:1px solid red;}
#architectural-design .technical-system_steps { list-style: none; margin:0; padding: 0;}
#architectural-design .technical-system_steps li > div { display:flex; align-items: baseline; gap:10px;}
#architectural-design .technical-system_steps li > div > span { display: flex; align-items: center; justify-content: center; background: #E3E6EB; width: 24px; height: 24px; min-width: 24px; border-radius: 24px;  color: #3D597A; font-size: 12px;}
#architectural-design .ico-download {filter: invert(99%) sepia(100%) saturate(2%) hue-rotate(141deg) brightness(110%) contrast(100%);}
#architectural-design .diagram { margin-top:2.5rem;}

.architectural-design-illu { width: 100px;}

/*---LATEST NEWS---*/
/*hack margin top 1rem + 1.5rem natural space from the newsteaser = 2.5rem spacing*/
.news-teaser-deprecated ~ p { margin-top:1rem; margin-bottom: 0; text-align:center;}

/*hack - remove empty p from confluence*/
#latest-news .container > p:first-child, #latest-news .container > p:last-child { border:1px solid red;}

#latest-news .news-teaser-root > div > div > div {display: inline-block; margin-top:1rem; background: #FFFFFF; border-radius: 12px; box-shadow: 0px 2px 12px rgba(0, 24, 50, 0.12);}
#latest-news .news-teaser-root a img {  border-radius:0% 100% 0% 100% / 24% 0% 100% 76%; border-top-left-radius: 12px; border-top-right-radius: 12px;}
#latest-news .news-teaser-root > div > div > div > div > div > div:last-child { padding:0 2rem 0.25rem 2rem;}
#latest-news .news-teaser-root a h2 {font-size: 1.2rem; line-height: 1.4; text-transform: initial; text-decoration:none;}
#latest-news .news-teaser-root a, #latest-news .news-teaser-root a:link { display: inline-block; margin-bottom:0; color: #001832; text-decoration: none;}
#latest-news .news-teaser-root a:hover { text-decoration: underline;}
#latest-news .news-teaser-root .aui-group span { font-size: initial; color: #001832; }
#latest-news .news-teaser-root > div > div:last-child { display:none;}

@media screen and (max-width: 768px) {
#latest-news .news-teaser-root > div > div > div  { position:relative !important; width: auto !important; left: auto !important; top: auto !important;}
#latest-news .news-teaser-root .aui-group { min-height: auto !important;}
}

/*---GUIDANCE BOX---*/
#guidance-box { position:relative; margin-top:-13rem; padding-top:0; padding-bottom:0;}

#guidance-box .guidance-box { padding:1.5rem; background-color: #00284A; border-radius:20px;}
#guidance-box .container .cols { margin-bottom:-1rem;}
#guidance-box .guidance-box-col-illu { margin-bottom:1rem;}
#guidance-box .guidance-box-col-illu img { width: 82px; height:auto;}

@media screen and (min-width: 769px) {
 #guidance-box { margin-top:-12rem;}
 #guidance-box .guidance-box { padding:2.5rem;} 
 #guidance-box .guidance-box-cols { display: flex; align-items: center;}
 #guidance-box .guidance-box-col-illu { margin-bottom:0; padding:0 3rem 0 0}
}

@media screen and (min-width: 1366px) {
 #guidance-box .guidance-box { padding:5rem;}
}

#guidance-box h3, #guidance-box p { color: white;}
#guidance-box p.p-opacity { opacity: 0.75}
#guidance-box p:last-of-type { margin-bottom:0;}

/*hack - remove empty p from confluence*/
#guidance-box .container > p:first-child, #guidance-box .container > p:last-child { display: none; border:1px solid green;} 

/*---DOCUMENTATION AND SERVICES---*/ 
#documentation-services { background-color: #F3F4F7; /*background: url("https://ec.europa.eu/digital-building-blocks/sites/download/attachments/565379323/bg-illu-sigle-documentation-services.svg") no-repeat 100% 10%*/}  

#documentation-services .common-supporting-services h2 { margin-bottom:2.5rem;}
#documentation-services .technical-design-documentation { padding-top: 2.5rem; margin-bottom:-1rem;}
#documentation-services .technical-design-documentation h2 { margin-bottom:2.5rem;}
.technical-design-documentation-illu img { width: 180px;}

@media only screen and (max-width: 768px) {
  #documentation-services .cols:nth-child(2) { display: flex; flex-direction: column-reverse;}
}

@media screen and (min-width: 769px) {
  .technical-design-documentation-illu img { width: 100%; max-width: 270px; height: auto;}
}

#documentation-services .cols p:last-child { margin-bottom:0;}
/*hack - remove empty p from confluence*/
#documentation-services .container > p:first-child, #documentation-services .container > p:last-child { display: none; border:1px solid green;}

@media screen and (min-width: 769px) {
    #documentation-services .technical-design-documentation div:first-child { padding: 1.5rem;}
}

/*---COLLABORATE WITH US---*/
#collaborate-with-us { position:relative; padding-top: 0; padding-bottom: 0; background: linear-gradient(to right, #00284A 0%, #00284A 50%, transparent 50%, transparent 100%);}
#collaborate-with-us .container { position: relative; padding: 3rem 3rem 9rem 0; background-color: #00284A; border-top-right-radius: 60px; border-bottom-right-radius: 60px;
}

@media screen and (min-width: 769px) {
    #collaborate-with-us .container { padding: 6rem 3rem 6rem 0;}
}

.collaborate-with-us-img { position: absolute; bottom: 0; right: 1.5rem; width: 100%; max-width: 200px; height: auto;}

@media screen and (min-width: 769px) {
  .collaborate-with-us-img { max-width: 320px;}
}
#collaborate-with-us h2 { margin-bottom:2.5rem;}
#collaborate-with-us .col-separator-before:before,
#collaborate-with-us .col-separator-after:after { border-left:1px solid rgba(255, 255, 255, 0.12);}
#collaborate-with-us .opacity-75 { color: rgba(255, 255, 255, 0.75);}
#collaborate-with-us h2, #collaborate-with-us h3, #collaborate-with-us p { color: white;}
#collaborate-with-us .p-badge {}
#collaborate-with-us .badge { margin-bottom:0; color: #995E00; background: #FFEECC;}
#collaborate-with-us a, #collaborate-with-us .restricted-space-link { color: #EC8FFF;}
.collaborate-with-us-list-link { margin:0; padding: 0;}
.collaborate-with-us-list-link li { margin-bottom: 1rem;}
.collaborate-with-us-list-link li:last-child { margin-bottom: 0;}

/*hack - remove empty p from confluence*/
#collaborate-with-us > p:first-child,  #collaborate-with-us > p:last-child { display:none;}

/*---SERVICE DESK---*/
#service-desk { position:relative;}
#service-desk .service-desk-cta { margin-top: 2.5rem; margin-bottom:0;}
.service-desk-p-img { margin-bottom:0;}
.service-desk-p-img img { width: 100%; max-width: 200px; height: auto;}

/*---LATEST NEWS DEPRECATED BACKUP---*/
/*hack - remove empty p from confluence*/
.news-teaser-deprecated > p:first-child, .news-teaser-deprecated > p:last-child { display:none; border:1px solid green;}

.news-teaser-deprecated { padding-top:0; padding-bottom:0;}
.news-teaser-deprecated .newsteaser-entry { display: inline-block; margin-top:0.5rem; box-shadow:none;}
.news-teaser-deprecated .newsteaser-entry .aui-group {  display: inline-block; margin-top:1rem; background: #FFFFFF; border-radius: 12px; box-shadow: 0px 2px 12px rgba(0, 24, 50, 0.12);}
/*LINK*/
.news-teaser-deprecated .newsteaser-entry a,
.news-teaser-deprecated .newsteaser-entry a:link { display:inline-block; background-color: transparent !important; border:none !important; }
.news-teaser-deprecated .newsteaser-entry .news-image a img {  border-radius:0% 100% 0% 100% / 24% 0% 100% 76%; border-top-left-radius: 12px; border-top-right-radius: 12px;}
.news-teaser-deprecated .newsteaser-entry .news-metadata { font-size:14px !important; line-height: 20px; color: #5E748E !important;}
.news-teaser-deprecated .newsteaser-entry h2 a {  font-size: 20px; line-height: 24px; text-transform: initial; text-decoration:none; color: #001832 !important;}
.news-teaser-deprecated .newsteaser-entry h2 a:hover  { color: #842DB5 !important; text-decoration: underline !important;}
.news-teaser-deprecated .newsteaser-entry p a { font-weight: normal; color: inherit !important;}
.news-teaser-deprecated .newsteaser-entry p a:hover { text-decoration: underline !important;}
/*CONTENT*/
.news-teaser-deprecated .newsteaser-entry .aui-group > div:first-child { padding: 0;}
.news-teaser-deprecated .newsteaser-entry .aui-group > div:last-child { padding: 1rem 2.5rem 0 2.5rem;}
.news-teaser-deprecated .newsteaser-entry .aui-group > div:first-child a,
.news-teaser-deprecated .newsteaser-entry .aui-group > div:last-child a,
.news-teaser-deprecated .newsteaser-entry .aui-group > div:last-child p { margin-bottom: 0;}

@media screen and (max-width: 768px) {
 .news-teaser-deprecated .newsteaser-entry { position:relative !important; top: 0 !important; left: 0 !important; float: none !important;; display: block !important; width: 100% !important;}
}

@media screen and (min-width: 769px) {
.news-teaser-deprecated .newsteaser-entry .aui-group > div:last-child { display:flex !important; flex-direction: column !important; justify-content: space-between !important;  padding: 1rem 2.5rem 1rem 2.5rem; min-height: 260px;}
.news-teaser-deprecated .newsteaser-entry .aui-group > div:last-child p:last-child { display: none; }
}

@media screen and (min-width: 1366px) {
.news-teaser-deprecated .newsteaser-entry .aui-group > div:last-child { min-height: 200px;}
}

/*---SLIDER HIGHLIGHT---*/
#slider-highlight { padding:0; background-color: #00284A;}
.slider-highlight-bg { padding:6px 1.5rem 36px 1.5rem;}
#slider-highlight > p:first-child, #slider-highlight > p:last-child { display: none; border:1px solid red;}
#slider-highlight .container .cols { margin-top: 0; margin-bottom: 0;}
#slider-highlight .container .cols > div > p:first-child, #slider-highlight .container .cols > div > p:last-child { display: none;}

#slider-highlight .cols .slider-highlight-content > p:first-child, #slider-highlight .cols .slider-highlight-content > p:last-child{ display: none; border:1px solid green;}
#slider-highlight .cols .slider-highlight-content .slider-highlight-content-left p { margin-top:1rem; font-size: 20px; line-height: 24px; color: white;}

@media screen and (min-width: 1280px) {
  .slider-highlight-bg { padding:36px 1.5rem 60px 1.5rem;}
  #slider-highlight .cols .slider-highlight-content { display: flex; gap:40px; justify-content: space-between;}
  #slider-highlight .cols .slider-highlight-content .slider-highlight-content-left { display: flex; gap:12px; align-items:center; width:70%;}
  #slider-highlight .cols .slider-highlight-content .slider-highlight-content-left p { margin-top:0; margin-bottom:0; }
}

/*MACRO SLIDER*/
#slider-highlight .news-slider-root { width: 100%;}
#slider-highlight .news-slider-root > div { padding:0;}
#slider-highlight .news-slider-root div div { background-color: transparent; box-shadow:none;}
#slider-highlight .aui-group .aui-item:first-child { display: none;}
#slider-highlight .aui-item { padding:0;}
/*heading*/
#slider-highlight h2:first-child, #slider-highlight h2:first-child +div { display: none;}
/*dots*/
#slider-highlight .flickity-page-dots { position:absolute; top:auto; bottom:20px; margin-bottom: 0; height:1rem; text-align: center !important;}
#slider-highlight .flickity-page-dots .dot { opacity: 1; height: 12px; width:12px; background: #EC8FFF !important; border:1px solid #EC8FFF;}
#slider-highlight .flickity-page-dots .dot.is-selected { height: 12px; width:48px; background: #EC8FFF !important; border:1px solid #EC8FFF; border-radius:10px;}
#slider-highlight .flickity-page-dots .dot:focus { outline: 2px dashed black; outline-offset: 2px;}      

/*---PROJECTATHON---*/ 
#projectathon { background: url("https://ec.europa.eu/digital-building-blocks/sites/download/attachments/565379323/bg-illu-projectathon.svg") no-repeat bottom left;}

#projectathon h2, #projectathon .p-spacing { margin-bottom:2.5rem;}

.card-upcoming-cols { margin-top: -1rem;}

.card-upcoming { position: relative; display: flex; flex-direction: column; min-width: 0; height: 100% !important; padding:1rem 2rem 2rem 2rem; background-color: white; box-shadow: 0px 2px 12px rgba(0, 24, 50, 0.12); border-radius: 12px; overflow: hidden;}

.card-upcoming-body a { display: block; line-height:0; text-align: right; height: 170px; border-top-right-radius: 12px; border-top-left-radius: 12px; overflow: hidden;}

.card-upcoming-col:nth-child(1) .card-upcoming-body a { margin:-1rem 0 0 -3rem; width: 140%; background: url("https://ec.europa.eu/digital-building-blocks/sites/download/attachments/645595199/illu-card-projectathon-04.jpg"); background-size: cover; border-radius: 100% 0% 38% 62% / 0% 88% 12% 100% ;}
.card-upcoming-col:nth-child(2) .card-upcoming-body a { margin:-1rem 0 0 0; width: 115%; background: url("https://ec.europa.eu/digital-building-blocks/sites/download/attachments/645595199/illu-card-projectathon-03.png"); background-size: cover; border-radius: 100% 0% 38% 62% / 0% 88% 12% 100% ;}

.card-upcoming-body h3 { margin-top:24px; font-size:20px; line-height:24px;}
.card-upcoming-body p { position:relative;}
.card-upcoming-body p.label { margin-bottom:12px; display: inline-block;}
.card-upcoming-body p:last-child { margin-bottom:0;}
.card-upcoming-date { font-size: 14px !important; color: #5E748E !important;}

.card-upcoming-footer { margin-top:24px; text-align: right;}
 .card-upcoming-footer .label { display: inline;}

.card-upcoming .label { padding: 8px 12px; font-size: 12px; line-height: 12px; border-radius: 40px;}
.card-upcoming .label.available-soon { color: #842DB5; background: #F2E5F7;}
.card-upcoming .label.past { color: #3D597A; background: #E3E6EB;}
.card-upcoming .label.upcoming { color: #995E00; background: #FFEECC;}

@media screen and (max-width: 991px) {
  .card-upcoming-col { margin-bottom: 1.5rem;}
}

@media screen and (min-width: 992px) {
  .card-upcoming-cols { display: flex; margin:0 auto; width: 80%; gap:24px;}
  .card-upcoming-col:nth-child(1) { width: 50%;}
  .card-upcoming-col:nth-child(2) { width: 50%;}
  /*.card-upcoming-col:nth-child(3) { width: 29%;}*/
  .card-upcoming-body { flex: 1 1 auto;}
}  

/*---MONITORING---*/
#monitoring { margin-top:-6rem; padding-top:9rem; background: url("https://ec.europa.eu/digital-building-blocks/sites/download/attachments/565379323/bg-illu-sigle-monitoring.svg") no-repeat top right;}
#monitoring .cols { margin-bottom: 0;}
#monitoring .cols > div {padding-top:0; padding-bottom:0;}
#monitoring h2, #monitoring h2 + p { margin-bottom:2.5rem;}

/*---MONITORING CARDS---*/
.card-monitoring { position: relative; display: flex; flex-direction: column; gap:24px; min-width: 0; height: 100% !important; padding:24px; background-color: white; background: url("https://ec.europa.eu/digital-building-blocks/sites/download/attachments/677518598/bg-monitoring-card.svg") no-repeat bottom left white; box-shadow: 0px 4px 20px 0px rgba(0, 55, 100, 0.10); border-radius: 16px; overflow: hidden;}

.card-monitoring-header h3 { position: relative; margin-bottom: 12px; font-size:20px; line-height:22px;}
.card-monitoring-header h3:after { content:""; position:absolute; bottom: -12px; left: 0; width: 44px; height: 2px; background-color: #5D24A4;}

.card-monitoring-body { display: flex; align-items: center; align-self: stretch; gap:20px;}
div.card-monitoring-body-number { display:flex; align-items:center; flex: 0 160px; padding:16px 24px; height:100px; color: #842DB5; background: #F2E5F7; border-radius: 16px;}
div.card-monitoring-body-number-inner { width: 100%;}
div.card-monitoring-body-number span { display: block; width: 100%; text-align: center;}
div.card-monitoring-body-number span:first-child { font-size: 44px; line-height: 32px; font-weight: 700;}
div.card-monitoring-body-number span:last-child { font-size: 14px; line-height: 20px;}
div.card-monitoring-body-content { flex:1;}
div.card-monitoring-body-content p { margin-bottom: 0; font-size: 14px; line-height: 20px;}

.card-monitoring-footer { text-align: right;}

@media screen and (max-width: 768px) {
  .card-monitoring-cols { margin-top: 1.5rem;}
}

@media screen and (max-width: 991px) {
  .card-monitoring-col { width: 100%;}
  .card-monitoring-col { margin-bottom: 1.5rem;}
}

@media screen and (min-width: 992px) {
  .card-monitoring-cols { display: flex; width: 100%; gap:20px;}
  .card-monitoring-col { width: 33%;}
  .card-monitoring-body { flex: 1 1 auto;}
}

/*---MONITORING CARDS---*/
.monitoring-cta { padding-top:2.5rem; text-align:center;}

/*---VIDEO---*/
#video {}
#video h2 { margin-bottom:2.5rem;}
/*hack remove empty p from confluence*/
#video .container .cols:first-child p:first-child { display: none; border:1px solid red;}

.video-container-iframe { position: relative; z-index: 1; width: 100%; overflow: hidden; padding-top: 56.25%; /* 16:9 Aspect Ratio */}
.video-container-iframe iframe { position: absolute; top: 0; left: 0; bottom: 0; right: 0; width: 100%; height: 100%; border: none; border-radius: 16px;}
CSS Stylesheet
/* updated news section */
#latest-news h2 { margin-bottom: 2.5rem;}
#latest-news .content-by-label{display: none; visibility: 'hidden';}
#latest-news .news-wrapper{display: flex; flex-direction: column;}
#latest-news .news-wrapper > .btn{margin: auto; margin-top: 32px;}
#latest-news .news-grid{display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px;}
#latest-news .news-grid .news-item{overflow: hidden; border-radius: 12px;
box-shadow: 0px 2px 12px 0px rgba(0, 24, 50, 0.08); display: flex; flex-direction: column; gap: 24px; background: white;}

#latest-news .news-grid .news-item .article-details{padding-inline: 40px; padding-bottom: 40px; display: flex; flex-direction: column; flex: 1;}
#latest-news .news-grid .news-item .article-preview{width: 100%; height: 200px; object-fit: cover; clip-path: ellipse(70% 142% at 71% -46%);}
#latest-news .news-grid .news-item .article-title{font-size: 20px; font-style: normal; font-weight: 400; line-height: 24px;}
#latest-news .news-grid .news-item .article-date{font-size: 14px; font-style: normal; font-weight: 400; line-height: 20px; display: flex;
align-items: center; gap: 8px;}
#latest-news .news-grid .news-item .article-link{margin-left: auto; margin-top: auto;}
HTML
<script>
    document.addEventListener('DOMContentLoaded', ev => {

        const items = [];

        const contentByLabel = document.querySelector('#latest-news .content-by-label');
        const newsList = document.querySelector('#latest-news .news-grid');

        populateArray();
        sortFun('desc');
        addDomElements();

        contentByLabel.remove();


        // functions -----------------------------
        function populateArray() {
            Array.from(contentByLabel.children).forEach(element => {
                try {
                    const arTitle = element.querySelector('.details > a').innerText;
                    const arLink = `https://ec.europa.eu${element.querySelector('.details > a').getAttribute('href')}`;
                    const arTime = formatTime(element.querySelector('.details time').getAttribute('datetime'));
                    const sortableTime = new Date(element.querySelector('.details time').getAttribute('datetime'));
                    const arPreview = element.querySelector('.details .exc-preview').innerText;

                    const domElement = document.createElement('div');
                    domElement.classList.add('news-item');
                    domElement.innerHTML = `
                            <img loading="lazy" class="article-preview" src="${arPreview}" alt="" aria-hidden="true">
                            <div class="article-details">
                                <h5 class="article-title">${arTitle}</h5>
                                <p class="article-date"><img src="/digital-building-blocks/sites/download/attachments/760938508/ico-date.svg"/> ${arTime}</p>
                                <a class="article-link link-cta primary after" href="${arLink}"><span>Read article</span></a>
                            </div>
                        `;

                    items.push({
                        arTitle: arTitle,
                        arLink: arLink,
                        arTime: arTime,
                        sortableTime: sortableTime,
                        arPreview: arPreview,
                        arDOMElement: domElement
                    });
                } catch (err) { }
            });

        }

        function formatTime(timetxt) {
            const date = new Date(timetxt);
            const monthName = date.toLocaleString('en-US', { month: 'long' });
            const datetxt = `${date.getDate()} ${monthName} ${date.getFullYear()}`;
            return datetxt;
        }

        function sortFun(type) {
            if (type === 'desc') {
                items.sort((a, b) => {
                    return a.sortableTime < b.sortableTime ? 1 : -1
                });
                return;
            }
            items.sort((a, b) => {
                return a.sortableTime > b.sortableTime ? 1 : -1
            });
        }

        function addDomElements() {
            let num = 3;
            for (let index = 0; index < num; index++) {
                let element = items[index];
                if(!element) break;

                newsList.appendChild(element.arDOMElement);
            }
        }
    });
</script>
CSS Stylesheet
@media screen and (min-width: 769px) {
  .col-separator-before, .col-separator-after { position:relative;}
  .col-separator-before:before, .col-separator-after:after { content:''; position:absolute; top:0; height:100%; border-left:1px solid #F2E5F7;}
  .col-separator-before:before { left:-0.25rem;}
  .col-separator-after:after { right:-0.25rem;}
}

/*---------------------------------*/
/*---OOH HOME PAGE - 05-10-2022---*/
/*-------------------------------*/
@media screen and (min-width: 769px) { 
  .wiki-content h1, .wiki-content .h1, #title-text { font-size:56px; line-height: 64px;}
}  

/*---INTRODUCTION---*/
#introduction { padding-bottom: 26rem;
background-image: url("https://ec.europa.eu/digital-building-blocks/sites/download/attachments/565379323/bg-illu-sigle-home-introduction.svg");
background-position: bottom right;
background-repeat: no-repeat;
background-size: cover;
}

/*---WHO HUB FOR---*/
#who-hub-for { margin-top:-23rem; padding-top: 0;}
#who-hub-for img { height: 120px;}
#who-hub-for .col-4 p:nth-child(3) { margin-bottom:0;}

/*---TECHNICAL DOCUMENTATION---*/
#technical-documentation { background: white;} 
#technical-documentation .card-grid { background-color: #F9F5FB;}
#technical-documentation .card-grid small { color: #5D24A4;}
#technical-documentation .card-grid-footer { text-align: right;}
#technical-documentation .card-grid-footer p:first-child { margin-bottom:1rem;}

@media screen and (min-width: 769px) {
  #technical-documentation .card-grid-body p:last-child { margin-bottom: 0;}
}

/*---SERVICES---*/
#services { background: #00284A;}
#services h2, #services h3, #services p { color: white;}
#services .card-grid { padding: 0; background: transparent;}
#services .col-separator-before:before, 
#services .col-separator-after:after { border-left:1px solid rgba(255, 255, 255, 0.12);}  
#services .opacity-75 { opacity: 0.75;}
#services .opacity-50 { opacity: 0.50;}
#services .badge { margin-bottom:0.5rem; color: #995E00; background: #FFEECC;}
/*HACK remove empty p from Confluence*/
#services .col-4 > p:first-child { border:1px solid green; display: none;}

@media screen and (min-width: 769px) {
  #services { padding-bottom:6rem;}
  #services .card-grid-body p:last-child { margin-bottom:0;}
}

/*---SUPPORTING SERVICES---*/
#supporting-services { background: #F3F4F7;
background-image: url("https://ec.europa.eu/digital-building-blocks/sites/download/attachments/565379323/bg-illu-sigle-supporting-services.svg");
background-position: bottom right;
background-repeat: no-repeat;
background-size: cover;
}
.supporting-services-container { display: flex; justify-content: space-between;}
.supporting-services-container p:first-child { width: 75%;}
.supporting-services-container p:last-child { width: 25%; text-align: right;}

/*---LATEST NEWS---*/
#latest-news {}

/*---COLLABORATE WITH US---*/
#collaborate-with-us { padding-top: 0; padding-bottom: 0;background: linear-gradient(to right, #00284A 0%, #00284A 50%, white 50%, white 100%);}
#collaborate-with-us .container { padding-top:3rem; padding-bottom:3rem; background-color: #00284A; border-top-right-radius: 60px; border-bottom-right-radius: 60px;}
#collaborate-with-us .card-grid { padding: 0; background-color: transparent;}
#collaborate-with-us .card-grid-body p { opacity: 0.75;}
#collaborate-with-us h2, #collaborate-with-us h3, #collaborate-with-us p { color: white;}

/*---SERVICE DESK---*/
#service-desk {}