#uprightsideBar{
    font-size:18px;
    font-family:'Monaco', Microsoft Yahei, 宋体, sans-serif;
    text-align:left;
    position:fixed;/*将div的位置固定到距离top:50px，left:0px的位置，这样div就会处在最左边的位置，距离顶部50px*/
    top:50px;
    left:0px;
    width: auto;
    height: auto; 
}

#sideBarTab{
    float:left;
    width:30px; 
    border:1px solid #e5e5e5;
    border-right:none;
    text-align:center;
    background:#ffffff;
}

#sideBarContents{
    font-size:14px;
    float:left;
    overflow:auto; 
    overflow-x:hidden;!important;
    width:200px;
    min-height:108px;
    max-height:460px;
    border:1px solid #e5e5e5;
    border-right:none; 
    background:#ffffff;
}
#sideBarContents dl{
    margin:0;
    padding:0;
}

#sideBarContents dt{
    margin-top:5px;
    margin-left:5px;
}

#sideBarContents dd, dt {
    cursor: pointer;
}

#sideBarContents dd:hover, dt:hover {
    color:#A7995A;
}
#sideBarContents dd{
    margin-left:20px;
}

body{
    background-image: url(https://images.cnblogs.com/cnblogs_com/zhengkaixin/1929890/o_210207140255%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20210207220235.jpg);
    background-repeat: repeat; 
    background-attachment: fixed;
    background-size:cover;
    cursor: url(https://files.cnblogs.com/files/wkfvawl/cursor.ico),auto;
}
#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);
}