.news_list_main .news_list .news_list_search .form_select{
    background-image: url('../../images/arrow_down.svg');
}
.paper_period_list_main .paper_period_list .paper_period_list_search .form_select{
    background-image: url('../../images/arrow_down.svg');
}
.index_main .news_bg{
    background-image: url('../../images/news_bg.png');
}
.index_main .video_bg{
    background-image: url('../../images/video_bg.png');
}
@media (max-width: 1200px) {
    .index_main .news_bg{
        background-image: url('../../images/news_bg_2.png');
    }
}
@media (max-width: 768px) {
    .index_main .video_bg{
        background-image: url('../../images/video_bg_2.png');
    }
}
.questionnaire_form_item .questionnaire_form_item_options select{
    background-image: url('../../images/arrow_down.svg');
}

/**/
.main .main-content{
    position: relative;
    width: 100%;
}

/**/
.pageitem-none{
    display: none !important;
}
@media (min-width: 576px) {
    .pageitem-sm-block {
        display: flex !important;
    }
}
@media (min-width: 768px) {
    .pageitem-md-block {
        display: flex !important;
    }
}

/**/
.course_video{
    position: relative;
    padding-top: 56.25%;
    width: 100%;
}
.course_video iframe{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0px;
    left: 0px;
}

/**/
.position-relative{
    position: relative;
}

/**/
.hidden{
    display: none !important;
}