<style type="text/css">

    .Abstract
    {
        padding: 15px;
        border: dotted 2px #999;
        color: #999;
        font-family: 'Microsoft Yahei';
        border-radius: 4px;
    }
        
    .third_title
    {
        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;
    }
        
        
    .Second
    {
        margin: 10px 0;
        font-family: 'Microsoft Yahei';
        padding: 6px 20px;
        background: #93C8A2;
        color: #fff;
        font-size: 18px;
        border-radius: 4px;
        clear: both;
    }
        
        
    .Third
    {
        margin: 10px 0;
        padding: 6px 20px;
        font-family: 'Microsoft Yahei';
        margin: 15px 0;
        font-size: 16px;
        color: fff;
        background: #C6EFD2;
        color: #999;
        border-radius: 4px;
        clear: both;
    }
    .note
    {
        margin: 10px 0;
        padding: 15px 20px 15px 60px;
        background: #FCFAA9 url('https://images.cnblogs.com/cnblogs_com/daoluanxiaozi/372646/r_o_yellow-pin.png') no-repeat 20px 0;
        font-size: 15px;
        font-family: 'Microsoft Yahei';
        box-shadow: 0 0 8px #aaa;
        clear: both;
    }
    .blockquote
    {
        background:none;
        border:2px solid #EFEFEF;
        color:#FFFFFF;
        margin-left:25px;
        padding-left:10px;
        padding-right:10px;
        padding-top:5px;
        padding-bottom:5px;
        margin-top:10px;
        margin-bottom:10px;
     }
        
    .demo
    {
        text-align: left;
        padding: 6px 20px;
        overflow: auto;
        border-radius: 4px;
        background: orange;
        color: #fff;
        font-size: 16px;
        clear: both;
    }

</style>
