<style type="text/css">
    .Abstract
    {
        padding: 15px;
        border: dotted 2px #999;
        color: #999;
        font-family: 'Microsoft Yahei';
        border-radius: 4px;
    }
        
    .postBody h1
    {
        margin: 10px 0;
        font-family: 'Microsoft Yahei';
        text-align: left;
        padding: 6px 20px;
        color: #fff;
        background: #55895B;
        font-size: 20px;
        border-radius: 4px;
        clear: both;
    }
        
        
   .postBody h2
    {
        margin: 10px 0;
        font-family: 'Microsoft Yahei';
        padding: 6px 20px;
        background: #1D9E9E;
        color:white;
        font-size: 18px;
        border-radius: 4px;
        clear: both;
    }
        
        
    .postBody h3
    {
        margin: 10px 0;
        padding: 6px 20px;
        font-family: 'Microsoft Yahei';
        margin: 15px 0;
        font-size: 16px;
        color:white;
        background:#24A2A2;
        border-radius: 4px;
        clear: both;
    }
    .cnblogs_post_body img
   {
     display:block; 
     padding:7px;
     border:1px solid #dedede;
     box-shadow: 0 1px 3px rgba(0,0,0,.3); 
     border-radius: 4px;
   }
   .postBody h4
   {
        margin: 10px 0;
        padding: 2px 10px;
        font-family: 'Microsoft Yahei';
        font-size: 14px;
        color: white;
        background: #397AAD;
        border-radius: 4px;
        clear: both;
    }
    blockquote
    {
        margin: 10px 0;
        padding: 15px 20px 15px 60px;
        background: #FFFFA3 url('https://images.cnblogs.com/cnblogs_com/IPrograming/353645/o_o_yellow-pin.png') no-repeat 9px 0px;
        font-size: 15px;
        font-family: 'Microsoft Yahei';
        box-shadow: 0 0 8px #aaa;
        clear: both;
    }

    blockquote a{
       color: #008299;
       font-weight: bold;
    }

    blockquote a:hover
    {
      background:#FFFFA3
    } 
        
    .demo
    {
        text-align: left;
        padding: 6px 20px;
        overflow: auto;
        border-radius: 4px;
        background: orange;
        color: #fff;
        font-size: 16px;
        clear: both;
    }
        
    .cnblogs_Highlighter
    {
        border: solid 1px #ccc;
        clear: both;
    }
   div#green_channel {
 position: fixed;
 bottom: 0px;
 right: -20px;
 padding: 4px 4px 4px 4px;
 background-color: #fff;
 border: 1px solid #D9DBE1;
 z-index: 10;
}
</style>