.side {
    position: fixed;
    width: 54px;
    height: 275px;
    right: 0;
    top: 110px;
    z-index: 999999;
}

.side ul li {
    width: 54px;
    height: 54px;
    float: left;
    position: relative;
    border-bottom: 1px solid #444;
}

.side ul li .sidebox {
    position: absolute;
    width: 54px;
    height: 54px;
    top: 0;
    right: 0;
    transition: all 0.3s;
    background: #000;
    opacity: 0.8;
    filter: Alpha(opacity=80);
    color: #fff;
    font: 14px/54px "微软雅黑";
    overflow: hidden;
}

.side ul li .sidetop {
    width: 54px;
    height: 54px;
    line-height: 54px;
    display: inline-block;
    background: #000;
    opacity: 0.8;
    filter: Alpha(opacity=80);
    transition: all 0.3s;
}

.side ul li .sidetop:hover {
    background: #ae1c1c;
    opacity: 1;
    filter: Alpha(opacity=100);
}

.side ul li img {
    float: left;
}

.side .weixin:hover .weixin-cover {
    display: block;
}

.side .weixin-cover {
    position: absolute;
    width: 124px;
    height: 120px;
    left: -70px;
    top: 100%;
    background-color: #fff;
    border: 1px solid #444;
    z-index: 99;
    display: none;
}

.side .weixin-cover img {
    width: 100%;
    height: 100%;
}