.section-hidden{
    display: none;
}

.wp-block-post-content.block-editor-block-list__layout .section-hidden{
    display: block;
    opacity: 0.5;
}

.check-hide-section {
    margin-left: 15px;
}

.check-hide-section + svg{
    left: 13px;
}

.check-hide-section + label{
    margin-left: 10px;
}