.layout_container{
    display: flex;
    flex-wrap: nowrap;
    /*margin-top: 20px;*/
    min-height: 500px;
}
.layout_left_menu{
    width: 200px;
}
.layout_left_box{
    flex-grow:1;
    padding: 0 0 20px 20px;
}
.public_box{
    position: relative;
    padding: 10px;
    border: 1px solid #00a8ff;
    border-radius: 4px;
    margin-top: 10px;
    margin-bottom: 40px;
}
.public_box_title{
    text-align: center;
    position: absolute;
    top:-14px;
    left: 30px;
    background: #fff;
    font-size: 18px;
    color: #00a8ff;
}