body {
    background-color: #E7F1FD;
}

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

.background {
    width: 100%;
    /*  position: absolute;*/
    /*  top: 20px;
      right: 0;
      bottom: 50px;*/
}

.btns {
    z-index: 2;
    position: absolute;
    top: 70%;
    width: 80%;
    display: flex;
    justify-content: space-around;
    margin: 0 10% 0 10%;
}

.btna {
    width: 40%;
}

.icons {
    z-index: 2;
    position: absolute;
    width: 40%;
    display: flex;
    justify-content: space-between;
    margin: 0 30% 0 30%;
    top: 40%;
}

.apps {
    margin-top: 10px;
    z-index: 2;
    /* position: absolute; */
    width: 100%;
    display: flex;
    /* margin: 0 5% 0 13%; */
    /* top: 20%; */
    /*height: 74%;*/
}

.certs {
    z-index: 2;
    margin: 15px 10% 0 10%;
    width: 80%;
    height: 400px;
    /* top: 50px; */
    white-space: nowrap;
    overflow: hidden;
}


.icon {
    width: 200px;
    text-align: center;
}

span.group_code {
    text-align: center;
    font-size: 20px;
    margin: 10px;
    font-weight: bold;
}

.goods {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
}

.app {
    width: 48%;
    margin: 10px 1%;
    position: relative;
}


.img_div {
    height: 100%;
    overflow: hidden;
    border-radius: 5px;
}

img.files {
    width: 100%;
    /* height: 100%; */
    max-height: 100%;
    object-fit: cover;
}

.app > .info {
    position: absolute;
    bottom: 3px;
    /* width: 100%; */
    background-color: rgba(255, 255, 255, .5);
    /* opacity: 0.9;*/
    width: 92%;
    margin-left: 1%;
    border-radius: 5px;
    padding: 5px 3%;
    line-height: 30px;
    font-size: 14px;
}

.name_college {
    display: flex;
}

.name {
    font-size: 20px;
    font-weight: bold;
}

.year {
    margin: auto 0 0 auto;
}

.commons {
    overflow: hidden;
    width: 15%;
    background: #FFFFFF;
    padding: 10px 1%;
    margin-top: 10px;
    border-radius: 5px;
    height: 100%;
}

.common {
    margin-bottom: 10px;
}

.common_college {
    margin-left: 16px;
    color: #999999;
    font-size: 15px;
}

.name_year {
    display: flex;
}

img.dot {
    width: 8px;
    height: 8px;
    margin: auto 0;
}

.common_name {
    font-size: 18px;
    color: #333333;
    margin-left: 10px;
}

.common_year {
    margin-left: auto;
    color: #999999;
}


.str_wrap {
    background: #E7F1FD;
    height: 64%;
    font-size: 1.2em;
}

.str4 .str_item {
    font-size: 0;
    line-height: 0
}

.str4 img {
    opacity: 0.8
}

.str4 img:hover {
    opacity: 1
}

.cert_img {
    width: 80%;
    display: inline;
}

.str4.str_wrap.str_active {
    background: #fff;
}

.cert_move {
    position: absolute;
    width: 100%;
    left: 1px;
}

.block_container {
    position: relative;
}

.cert {
    background-color: #E7F1FD;
    display: block;
    height: 300px;
}

img.title {
    width: 36%;
    margin: 0 auto;
}

.app_block {
    background-color: #E7F1FD;
    display: block;
    height: auto;
}
.float {
    display: flex;
    position: fixed;
    top: 0;
    z-index: 5;
    justify-content: space-around;
    background: #FFFFFF;
}
.float>a.btna {
    width: 40%;
    padding: 10px;
}
.hide {
    display: none!important;
}