#navigator { background: #666; }
#navList { font-size: 16px; }
.blogStats { font-size: 12px; }
#sideBar { width: 20%; border: none; padding: 0; }
    #sideBar h3 { padding-left: 8px; background-color: #666; }
#sideBarMain { padding-left: 8px; }
body { background-color: #333; color: #fff; font-size: 14px; }
h1, h2, h3, h4, h5, h6, th, .feedbackCon, .blogStats { color: #fff; }
#main { border: 1px solid #e5e5e5; }
.day { margin: 20px 0px; }
.postTitle { padding-left: 20px; font-size: 16px;
             border-bottom-color: #666; }
.postBody, .postCon { padding: 0px 20px 10px; 
                      border-bottom: 1px solid #666; }
.postDesc { padding-right: 20px; }
a, .postCon a, .postBody a, .feedbackCon a { color: #0dd; }
    a:hover, a:active, a:focus { color: #ff8; text-decoration: none; }
#navigator, #MySignature, .day, .post { border: 1px solid #e5e5e5; 
    border-radius: 8px; box-shadow: 2px 2px 10px #aaa; }
#navigator { border-radius: 8px 8px 0px 0px; }
.post { border-right: none; border-top: none; 
        border-radius: 0px 0px 8px 8px; padding-top: 1px; }
.cnblogs_code, .cnblogs_code div { 
    color: #000; font-family: consolas, monospace, sans-serif; }
body 
{ 
   /*其它主要浏览器不需要这个样式，
   但在IE6/7居中是必须的*/
   text-align:center; 
}
#home 
{ 
   /*margin: 0px auto;可以使内容在除IE6/7外的其它
   主要浏览器内居中*/
   margin: 0px auto; 
   /*因为body的text-align:center;样式具有继承性，
   所以要重置文本向左对齐*/
   text-align:left; 
   max-width:960px;
}
#navigator {  height:auto; overflow:hidden; *zoom:1;}
/*名为.blogStats的div在选择的模板中已经进行了右浮动
不必再进行设置*/
#navList { float:left; }
#navList li { display: inline; float: none; }
#mainContent { width: 100%; margin-left: -250px; float: right; }
#sideBar { width: 220px; float: left; }
.forFlow { margin-left:266px; }
#sideBar { width: 20%; }
#mainContent { margin-left: auto; width:78%; }
.forFlow { margin:auto; }
<meta name="viewport" content="width=device-width, initial-scale=1.0">
@-ms-viewport {
    width: device-width;
}
@media (max-width:990px) {
    #home{ margin:0 15px; }
}
@media (max-width:640px) {
    #sideBar, #mainContent{ width:100%;}
    .post{ border-left:none; }
}
<script type="text/javascript">
    $(document).ready(function ()
    {
        var meta = document.createElement("meta");
        meta.name = "viewport";
        meta.content = "width=device-width, initial-scale=1.0";
        $('head').prepend(meta);
    });
</script>