/* accordion effect in learning center - 2020-8-13*/
@media screen and (min-width: 750px) {
    .page-list > .page_item_has_children {
        width: 45%;
        float: left;
    }
}
.page-list > .page_item_has_children {
    width: 45%;
    float: left;
    border-bottom: 1px solid;
    padding-bottom: 5px;
    transition: all .5s ease-in-out;
    margin-right: 5%;
}
.page-list > .page_item_has_children::before {
    content: '\e828';
    font-family: "fontello";
    font-size: 1.5rem;
    float: right;
    display: block;
    cursor: pointer;
    transition: all .5s ease-in-out;
}
.page-list > .page_item_has_children.active::before {
    transform: rotate(180deg);
}
.page-list > .page_item_has_children.active .children {
    max-height: 500px;
    margin-top: 1rem;
    transition: all .5s ease-in-out;
}
.page-list .children {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    transition: all .5s ease-in-out;
}