@charset "utf-8";
.div_left{
    float: left;
    width: 240px;
    position: relative;
}
.menu_box li{
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    margin: 2px;
    background: #eee;
}
.menu_box a {
    color: #000;
    cursor: pointer;
    padding: 15px 20px;
}
.menu_box li:hover{
    background: #009688;
}
.menu_box ul {
    position: relative;
    width: 400px;
    left: 236px;
    top: -52px;
    background: #fff;
    margin: 0 1px;
    display: none;
}
.right_box {
    color: red;
}
.div_right{
    float: right;
    width: 830px;
    padding: 15px;
}
.top_bar{
    height: 50px;
    line-height: 50px;
}
.major_info{
    float: left;
}
.search_box{
    float: right;
}
.search_box input{
    width: 130px;
}
.div_teacher {
    margin: 10px 0;
}
.teachers_1 a{
    color: #0000FF;
}
.teachers_2 a{
    color: #CC00FF;
}