.top-r{position:relative;}
.denglu{
background: #ceb9b9;
    height: 45px;
    position: absolute;
    top: 50px;
display:none;}
.denglu #username{
width:100px;height: 25px;margin-top:3px;margin-right:10px;padding: 0 0 0 5px;}
.wx-r a{
    display:block;
    margin-bottom:10px;}