*{
    padding: 0;
    margin: 0;
}

a{
    color: #000000;
    text-decoration: none;
}
li{
    list-style: none;
}  
.cont{
    max-width: 750px;
    margin: 0 auto;
    background-color: #7fdefd;
    padding-bottom: 20px;
    overflow: hidden;
    min-height: 788px;
}
.teacher-box{position: relative;}
.title-after{width: 8px;height: 25px;background-color: #1374fc;border-radius: 5px;display: block;margin-right: 10px;}
.teacher-title{padding-left: 15px;margin: 20px 0;font-size: 22px;color: #ffffff;display: flex; align-items: center;}
.list{
   display: flex;
   flex-direction: row;
   justify-content: space-around;
   flex-wrap: wrap;
}
.list-item{
    width: 45%;
    
    background:linear-gradient(180deg,#1374fc ,#2bc3fc );
    padding: 20px 0;
    border-radius: 5px;
    margin-bottom: 10px;
}
.list-item a{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.list-item-pic{
    width: 90%;
    border-radius: 5px;
    overflow: hidden;
}
.list-item-pic img{
    width: 100%;
    vertical-align: bottom;
}
.list-item-text{
    color: #ffffff;
    font-size: 14px;
    margin-top: 10px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.footer {
    background-color: #2cb0db;
    border-top: 2px solid #15a2d1;
    overflow: hidden;
    padding-bottom: 5px;
}

.foot_center {
    margin: 0 auto;
    overflow: hidden;
}
.footer img {
    width: 45%;
    padding: 10px 0;
    display: block;
    margin: 0 auto;
}
.foot-text {
    float: left;
    font-size: 15px;
    width: 100%;
}
.foot-text p {
    float: right;
    margin: 0 10px;
    color: #FFFFFF;
    font-size: 12px;
}