.icon_back{
    -webkit-mask: url("/wp-content/themes/twentytwenty_child/assets/img/ico/ico_back.svg") no-repeat center;
    mask: url("/wp-content/themes/twentytwenty_child/assets/img/ico/ico_back.svg") no-repeat center;
    width: 8px;
    height: 10px;
    background-color: #fff;
    display: inline-block;
}

.icon_next{
    -webkit-mask: url("/wp-content/themes/twentytwenty_child/assets/img/ico/ico_next.svg") no-repeat center;
    mask: url("/wp-content/themes/twentytwenty_child/assets/img/ico/ico_next.svg") no-repeat center;
    width: 8px;
    height: 10px;
    background-color: #fff;
    display: inline-block;
}