.side {
    position: fixed;
    width: 50px;
    height: 275px;
    right: 0;
    top: 250px;
    z-index: 100;
}
.side ul {
    list-style: none;
}
.side ul li {
    width: 50px;
    height: 50px;
    float: left;
    position: relative;
    margin-bottom: 2px;
}
.side ul li .sidebox {
    position: absolute;
    width: 50px;
    height: 50px;
    border-radius: 5px 0 0 5px;
    top: 0;
    right: 0;
    transition: all 0.3s;
    background: #49bcb5;
    color: #fff;
    font: 16px/50px "微软雅黑";
    overflow: hidden;
}
.side2 {
    position: fixed;
    width: 40px;
    right: 10px;
    z-index: 100;
    top: 500px;
    height: 80px;
}
.side2 ul li {
    width: 40px;
    height: 40px;
}
.side2 ul li a {
    display: block;
    background-color: #49bcb5;
    height: 40px;
    width: 40px;
    text-align: center;
    line-height: 40px;
}
.side2 ul li a:hover{
    background-color: #22d7bb;
}
.side2 ul li a img {
    vertical-align: middle;
    display: inline-block;
}
.side2 ul li .weixin {
    position: absolute;
    left: -154px;
    bottom: 0;
    display: none;
}
.side2 ul li .weixin em{
    background: url(/images/3.png) no-repeat;
    width: 5px;
    height: 17px;
    display: block;
    position: absolute;
    right: -5px;
    top: 50%;
    margin-top: 3px;
}
.side2 ul li .weixin img{
    display: block;
}
.side ul li .sidetop{width:50px;height:50px;line-height:50px;display:inline-block;background:#000;opacity:0.8;filter:Alpha(opacity=80);transition:all 0.3s;}
.side ul li .sidetop:hover{background:#66c5b4;}