.side
{
    position: fixed;
    width: 45px;
    right: 0;
    bottom: 10px;
    z-index: 9999;
}
.side ul li
{
    width: 45px;
    height: 45px;
    line-height: 45px;
    float: left;
    position: relative;
    background: #333;
    border-bottom: 1px solid #999;
}
.side ul li .sidebox
{
    position: absolute;
    width: 45px;
    height: 45px;
    line-height: 45px;
    top: 0;
    right: 0;
    transition: all .3s;
    background: #333;
    color: #fff;
    font: 14px/54px "微软雅黑";
    overflow: hidden;
}
.side ul li .sidetop
{
    width: 45px;
    height: 45px;
    line-height: 45px;
    display: inline-block;
    background: #333;
    transition: all .3s;
}
.side ul li img
{
    float: left;
}
.side ul li .right_ewm_box
{
    position: absolute;
    right: 60px;
    bottom: 0;
    z-index: 9999999;
    padding: 10px;
    background: #fff;
    border: 1px solid #ccc;
    width: 120px;
    text-align: center;
    -moz-box-shadow: 0 0 5px #666;
    -webkit-box-shadow: 0 0 5px #666;
    box-shadow: 0 0 5px #666;
    display: none;
}
.side ul li:hover .right_ewm_box
{
    display: block;
}
.side ul li .right_ewm_box:after
{
    border: solid transparent;
    content: ' ';
    height: 0;
    bottom: 15px;
    position: absolute;
    width: 0;
    border-width: 10px;
    border-left-color: #bbb;
    left: 100%;
}
.side ul li .right_ewm_box img
{
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}
.side ul li .right_ewm_box p
{
    font-weight: normal;
    display: block;
    line-height: 20px;
}