header .nav>li:last-child{
  background: none; 
}


.side * {    
  margin: 0;
  padding: 0;
  list-style-type: none
}

.side a,.side img {
    border: 0
}

.side {
    position: fixed;
    width: 54px;
    height: 275px;
    right: 0;
    top: 214px;
    z-index: 100
}

.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 .3s;
    background: #000;
    opacity: .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: .8;
    filter: Alpha(opacity=80);
    transition: all .3s
}

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

.side ul li img {
    float: left
}