h3
{
color: #fff;
background-color: #71A4FF;
-moz-border-radius: 5px;
border-radius: 5px;
padding:6px;
margin:10px 0px;
text-shadow:2px 2px 3px #404040;
}
/*推荐按钮*/
/*
#div_digg {
    position: fixed;
    bottom: 40px;
    right: 20px;
    background-color: #DCFCE9;
    border: 2px solid #06F867;
    padding: 10px;
    margin: 10px;
    text-align: center;
}
*/
/*返回顶部按钮*/

#toTop {
    width: 43px;
    height: 15px;
    display: none;
    position: fixed;
    right: 25px;
    bottom: 45px;
    background: url(https://static.cnblogs.com/images/ico_top.gif) no-repeat 0 0;
    opacity: 0.8; 
}

#toTop:hover {
    opacity: 1;
    filter: alpha(opacity = 100);
}