.ev-summary div[class^="sc-"]{
    display: none;
}
.ev-summary.ev-sum-hidden{
    display: none;
}

<script>
    window.addEventListener('DOMContentLoaded', () => {
        const seeAllBtn = document.querySelector('div[id*="expander"');
        const summ = document.querySelector('.ev-summary');

        const confmacro = document.querySelectorAll('.conf-macro');
        confmacro.forEach(element => {
            console.log(element);
            if(element.children.length < 1){
                confmacro.closest('.cef-section').style.display = 'none';
            }
        });

        seeAllBtn.addEventListener('click', () => {
            
            if(summ.classList.contains('ev-sum-hidden')){
                summ.classList.remove('ev-sum-hidden');
            }
            else{
                summ.classList.add('ev-sum-hidden');
            }
        })
    });
</script>