.yeshou{
 text-align:center;
  color : rgba(0, 128, 153, 0.56);
}
#div_digg {
    bottom: 10%;
    position: fixed;
    font-size: 12px;
    width: 128px;
    text-align: center;
    right: 40%;
}
.diggit {
    float: left;
    width: 50px;
    height: 52px;
    background: url('https://static.cnblogs.com/images/upup.gif') no-repeat;
    text-align: center;
    cursor: pointer;
    margin-top: 2px;
    padding-top: 5px;
}
.diggit:hover {
    float: left;
    width: 46px;
    height: 52px;
    background: url('https://files.cnblogs.com/files/Slim-Shady/zan.gif') no-repeat;
    text-align: center;
    cursor: pointer;
    margin-top: 2px;
    padding-top: 5px;
}
.buryit {
    float: right;
    margin-left: 20px;
    width: 50px;
    height: 52px;
    background: url('https://static.cnblogs.com/images/downdown.gif') no-repeat;
    text-align: center;
    cursor: pointer;
    margin-top: 2px;
    padding-top: 5px;
}
.buryit:hover {
    float: right;
    margin-left: 20px;
    width: 50px;
    height: 52px;
    background: url('https://files.cnblogs.com/files/Slim-Shady/buzan.gif') no-repeat;
    text-align: center;
    cursor: pointer;
    margin-top: 2px;
    padding-top: 5px;
}