body {
    background: url(https://images.cnblogs.com/cnblogs_com/a20726131/1638562/o_2001280954353.jpg) fixed;
       

    color: 
    #7d8b8d;
    font-family: Verdana,Arial,Helvetica,sans-serif;
    font-size: 14px;
    line-height: 25px;
    min-height: 101%;
    background-size: contain;
}
#home {
margin: 0 auto;
opacity: 0.8;
width: 65%;
min-width: 1080px;
background-color: #fff;
padding: 30px;
margin-top: 50px;
margin-bottom: 50px;
box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}
#navList {
    min-height: 30px;
    float: left;
    margin-left: -7px;
}
#sideBar {
    min-height: 200px;
    padding: 0 5px 0 5px;
        padding-bottom: 0px;
    margin-left: 700px;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
    _margin-left: 0;
    width:25%px;
    padding-bottom: 20px;
    
}
#mainContent {
    min-height: 200px;
    *padding-top: 10px;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    overflow: hidden;
    word-break: break-all;
    float: left;
    width: 75%;
    background: 
    #fff;
}
#touxiang img {
    width: 200px;
    height: 200px;
}