#MySignature 
{
background-color:#cccccc;

padding: 20px 20px 0px 20px;
 border: 3px dashed rgb(224, 224, 224); 
 font-family: 微软雅黑; font-size: 15px;

}

#top_nav{
    display: none;
}


#blogTitle {
    height: 120px;
    background: #fff;
    clear: both;
}