<style type="text/css">
#back-to-top {
    background-color: #1ab1d4;
    bottom: 10px;
    box-shadow: 0 0 6px #1ab1d4;
    color: #444444;
    padding: 10px 10px;
    position: fixed;
    right: 250px;
    cursor: pointer;
}

    #cnblogs_post_body
    {
        color: black;
        font: 0.875em/1.5em "微软雅黑" , "PTSans" , "Arial" ,sans-serif;
        font-size: 17px;
    }
   /*标题1*/
#cnblogs_post_body h1 {
    color: #fff;
    padding-left: 15px;
    background-color: #6FA833 !important;
    text-shadow: 2px 2px 3px #222222;
    font-family: "微软雅黑" , "宋体" , "黑体" ,Arial;

}
/*标题2*/
#cnblogs_post_body h2 {
    color: #6FA833;
    border-left: 13px solid #6FA833;
    padding: 5px;
    background-color: #f5f5f5;
}
</style>