.teacher-container{
    width: 100%;
    height: 100%;
}
.teacher-header{
    height: 45px;
    line-height: 45px;
    padding-left: 10px;
    box-shadow: 0px 2px 5px #e9e9e9;
    background-color: white;
}
.teacher-tab{
    padding: 0px 10px;
    display: inline-block;
    line-height: 40px;
    cursor: pointer;
    color: #8a8d8f;
    margin-right: 20px;
    user-select: none;
}
.teacher-tab-active{
    border-bottom: 2px solid #1cc0f3;
    color: #1cc0f3;
    font-weight: 600;
}
.save-group-btn{
    float: right;
    margin-top: 10px;
    margin-right: 20px;
}