.management{
    list-style: none;}
.management li{
     border-top:1px solid #ddd;
     padding:15px 20px;}
.management .management_left{
     display:inline-block;
     width:220px;
     border-radius:10px;
     overflow:hidden;
     margin-right:10px;
     margin-top:10px;}
.management .management_left img{
      width:100%;}