/*右侧悬浮层*/
#div_digg {
    position: fixed;
    bottom: 0px;
    right: 30px;
    padding: 8px 8px 8px 10px;
    background-color: #fff;
    border: 1px solid #D9DBE1;
}

/*关注的下划线*/
.underlineA{
   text-decoration:underline;
}