/*****home和头部开始**************************/
#home {
    margin: 0 auto;
    width: 75%;/*原始65*/
    min-width: 980px;/*页面的最低宽度,也就是页面顶部的宽度*/
    background-color: #fff;
    padding: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
    box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
}

<style type="text/css">
    #cnblogs_post_body
    {     
        font-size: 12px;
    }
    #cnblogs_post_body h1    {
    	color: #0000FF;
        font-size: 12px;

    }
 #cnblogs_post_body h2{
    	color: #FF0000;
        font-size: 12px;
    }
 #cnblogs_post_body h3{
    	color: #00FF00;
        font-size: 12px;
    }
#div_digg{
  position:fixed;
  bottom:5px;
  width:140px;
  right:390px;
  border:2px solid #6FA833;
  padding:10px;
  background-color:#fff;
  border-radius:5px 5px 5px 5px !important;
  box-shadow:0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
}
</style>