.invisible{height:0;width:0;overflow:hidden;margin:0;padding:0;position:absolute;left:0;top:0}.header_user_info{float:right;border-left:1px solid #515151;border-right:1px solid #515151}.header_user_info a{color:#fff;font-weight:bold;display:block;padding:8px 9px 11px 8px;cursor:pointer;line-height:18px}@media (max-width: 479px){.header_user_info a{font-size:11px}}.header_user_info a:hover,.header_user_info a.active{background:#2b2b2b}