/*生成博客目录的CSS*/
#uprightsideBar{
    font-size:14px;
    font-family:Arial, Helvetica, sans-serif;
    text-align:left;
    position:fixed;/*将div的位置固定到距离top:50px，right:0px的位置，这样div就会处在最右边的位置，距离顶部50px*/
    top:400px;
    right:53px;
    width: auto;
    height: auto; 
    
    
}
#sideBarTab{
    float:left;
    width:30px; 
    border:1px solid #e5e5e5;
    border-right:none;
    text-align:center;
    background:rgb(238, 130, 238);
}

#sideBarContents{
    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;
}





<script type="text/javascript">
   window.onload = function () {
                var minSize = 15; //最小字体
                var maxSize = 30;//最大字体
                var newOne = 600; //生成雪花间隔
                var flakColor = "#1bd3ff"; //雪花颜色
                var flak = $("<div></div>").css({position:"absolute","top":"0px"}).html("❉");//定义一个雪花
                var dhight = $(window).height(); //定义视图高度
                var dw =$(window).width()-80; //定义视图宽度
                setInterval(function(){
                var sizeflak = minSize+Math.random()*maxSize; //产生大小不等的雪花
                var startLeft = Math.random()*dw; //雪花生成是随机的left值
                var startOpacity = 0.7+Math.random()*0.3; //随机透明度
                var endTop= dhight-100; //雪花停止top的位置
                var endLeft= Math.random()*dw; //雪花停止的left位置
                var durationfull = 5000+Math.random()*3000; //雪花飘落速度不同
                flak.clone().appendTo($("body")).css({
                "left":startLeft ,
                "opacity":startOpacity,
                "font-size":sizeflak,
                "color":flakColor
                }).animate({
                "top":endTop,
                "left":endLeft,
                "apacity":0.1
                },durationfull,function(){
                $(this).remove()
                });
                },newOne);
            }
 </script>




#home {
    margin: 0 auto;
    width: 80%;/*原始65*/
    min-width: 980px;/*页面顶部的宽度*/
    background-color: rgba(245, 245, 245, 0.7);
    padding: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
    box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}
body {
    background: rgba(12, 100, 129, 1) url('https://images.cnblogs.com/cnblogs_com/Penn000/1013849/o_fr.jpg') fixed no-repeat;
    background-position: 50% 5%; 
    background-size: cover;
}