.clearfix:before, .clearfix:after {
    display: table;
    content: '';
}
.clearfix:after {
    clear: both;
}
.clearfix {
    zoom: 1;
}
.scrollBtn {
    position: fixed;
    right: 0px;
    bottom: 0px;
    width: 54px;
    _position: absolute;
    z-index:500;
}

    .scrollBtn a {
        display: inline-block;
        overflow: hidden;
        width: 54px;
        height: 54px;
        -webkit-transition: opacity .5s ease;
        -moz-transition: opacity .5s ease;
        -o-transition: opacity .5s ease;
        transition: opacity .5s ease;
        text-align: center;
        opacity: .6;
        color: white;
        background: url(https://images.cnblogs.com/cnblogs_com/ChenXu-net/517141/o_gototop.png 

) no-repeat 0 0;
        filter: Alpha(Opacity=60);
    }

    .scrollBtn li {
        float: left;
        overflow: hidden;
        height: 54px;
        margin-bottom: 5px;
    }

    .scrollBtn a:hover {
        opacity: 1;
        filter: Alpha(Opacity=100);
    }

.sB-comment a {
    height: 17px;
    padding-top: 34px;
    padding-bottom: 3px;
    background-position: 0 -59px;
}

.sB-share a {
    background-position: 0 -118px;
}

.sB-goTop a {
    background-position: 0 -177px;
}


.First {
    font-family: 'Microsoft Yahei';
    font-size: 20px;
    clear: both;
    margin: 10px 0;
    padding: 6px 20px;
    text-align: left;
    color: white;
    border-radius: 4px;
    background: #59C3E4;
}

.Second {
    font-family: 'Microsoft Yahei';
    font-size: 18px;
    clear: both;
    margin: 10px 0;
    padding: 6px 20px;
    color: white;
    border-radius: 4px;
    background: #789FF3;
}

.Third {
    font-family: 'Microsoft Yahei';
    font-size: 16px;
    clear: both;
    margin: 10px 0;
    margin: 15px 0;
    padding: 6px 20px;
    color: white;
    color: #999;
    border-radius: 4px;
    background: #c6efd2;
}

/*快速评论*/
#div_digg {
  position: fixed;
  bottom: 10px;
  right: 50px;
  border: 2px solid #ECD7B1;
  padding: 10px;
  width: 120px;
  background-color: #fff;
  border-radius: 5px 5px 5px 5px !important;
  box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
}