.git-link {
    z-index: 100;
    position: fixed;
    top: 0;
    right: 0;
    border: 0;
    height: 149px;
    width: 149px;
    transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    -o-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    background-image: url(//images2015.cnblogs.com/blog/459873/201603/459873-20160317090540131-1089895320.png);
}
#back-to-top {
    background-color: #00CD00;
    bottom: 0;
    box-shadow: 0 0 6px #00CD00;
    color: #FFFFFF;
    padding: 10px 10px;
    position: fixed;
    right: 25px;
    cursor: pointer;
}


/* #mainContent {
    width: 1212px !important;
    background: #fff;
    box-shadow: 0 0 8px #999;
    -moz-box-shadow: 0 0 8px #999;
    -web-kit-shadow: 0 0 8px #999;
    border-radius: 6px;
    -moz-border-radius: 6px;
    -web-kit-shadow: 6px;
    float: left;
    display: inline-block;
}
#body{
    overflow-x:auto;
    white-space:nowrap;
} */

// 原文链接：https://blog.csdn.net/xysxlgq/article/details/133107291