.accordion-article {
    background: #F1F0F4;
    /*color: var(--link);*/
    font-size: 18px;
    padding: 10px;
/*    padding-top: 18px;
    padding-bottom: 18px;
    padding-right: 20px;*/
    cursor: pointer;
/*    border: 1px solid #e3e3ea;
    box-shadow: 0 3px 4px 0 rgba(9, 17, 30, 0.1);*/
    transition: 0.4s;
}
.active-article, .accordion-article:hover {
    background: #ECF0FF;
}

.panel-article {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.2s ease-out;
}

.panel-article pre {
    margin-top: 0;
    margin-bottom: 0;
}