.index{border:1px solid #d7dde4;background:#f5f7f9;position:relative;border-radius:4px;overflow:hidden;height:100%;width:100%}.layout-logo{width:100px;height:30px;border-radius:3px;float:left;position:relative;top:15px;left:20px}.layout-nav{width:420px;margin:0 auto;margin-right:20px}.ew-card .ivu-card-body{height:90%}