.a_share{width: 55px;
    margin-left: 15px;
    position: relative;
    float: right;
    display: inline;
    text-align: center;
    height: 24px;
    line-height: 24px;
    }
 .shareTitle {
    width: 50px;
    text-align: center;
  
}
    .shareTitle i {
    width: 10px;
    height: 12px;
    float: left;
    display: inline;
    margin-top: 6px;
    background: url("images/icon_share.png") no-repeat scroll;
}
    
   
    .shareBd {
    display: none;
    font-size: 12px;
    width: 55px;
    border-radius: 4px;
    position: absolute;
    top: 24px;
    left: 0;
    }
    .shareBd li{
    height: 36px;
    }
    .ewmBox {
    display: none;
    width: 118px;
    height: 118px;
    border: 1px solid #efefef;
    background-color: #FFFFFF;
    position: absolute;
    left: -120px;
    top: -1px;
}