pre{
    background: #F0F0F0;
    border-left:5px solid #545454;
    padding:10px;
}
.font_bigger{
    font-size:28px;background: #ffffff;padding:5px;width: 40px;
    line-height: 30px;
    margin-left:10px;
}
.font_smaller{
    font-size:28px;background: #ffffff;padding:5px;width: 40px;
    line-height: 30px;
}
.ewmicon{font-size:24px;background: #ffffff;padding:5px;}
.ewm{display: none;padding:10px;background: #ffffff}
/*.directory{display:block;background:#f1f1f1;position:fixed;top:60px;right:10px;width:350px;}*/
#rootul li a{
    font-size: 12px;
}
#rootul li{
    line-height:15px;
}
h1 {
    font-size: 20px;
    font-weight: bold
}

h2 {
    font-size: 18px;
    font-weight: bold
}

h3 {
    font-size: 16px;
    font-weight: bold
}

h4 {
    font-size: 14px;
    font-weight: bold
}
.article_detail_title{
    margin-top:30px;
    font-size:26px;
}