一个好的标题样式可以使博客的文章格式更加清晰明确，也方便自己和他人的阅读。

h1

h2

h3

h3-1

h3-2

h4

h5

h6

参考本篇的样式如上，将以下源代码粘贴到 博客园-设置-页面定制CSS代码 里即可使用（具体样式可以自行修改）

/*标题样式*/
#cnblogs_post_body
{
    color: black;
    font: 0.875em/1.5em "微软雅黑" , "PTSans" , "Arial" ,sans-serif;
    font-size: 15px;
}
#cnblogs_post_body h1    {
    background: #333366;
    border-radius: 6px 6px 6px 6px;
    box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
    color: #FFFFFF;
    font-family: "微软雅黑" , "宋体" , "黑体" ,Arial;
    font-size: 23px;
    font-weight: bold;
    height: 25px;
    line-height: 25px;
    margin: 18px 0 !important;
    padding: 8px 0 5px 5px;
    text-shadow: 2px 2px 3px #222222;
}
#cnblogs_post_body h2    {
    background: #006699;
    border-radius: 6px 6px 6px 6px;
    box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
    color: #FFFFFF;
    font-family: "微软雅黑" , "宋体" , "黑体" ,Arial;
    font-size: 20px;
    font-weight: bold;
    height: 25px;
    line-height: 25px;
    margin: 10px 0 !important;
    padding: 8px 0 5px 5px;
    text-shadow: 2px 2px 3px #222222;
}
#cnblogs_post_body h3 {
    font-size: 22px;
    margin-top: 10px;
    margin-left: 15px;
    padding: 0px 15px;
    border-left: 5px green solid;
}
#cnblogs_post_body h4{
    background: #2B6600;
    border-radius: 6px 6px 6px 6px;
    box-shadow: 0 0 0 1px #5F5A4B, 1px 1px 6px 1px rgba(10, 10, 0, 0.5);
    color: #FFFFFF;
    font-family: "微软雅黑" , "宋体" , "黑体" ,Arial;
    font-size: 16px;
    font-weight: bold;
    height: 24px;
    line-height: 23px;
    margin: 12px 0 !important;
    padding: 5px 0 5px 10px;
    text-shadow: 2px 2px 3px #222222;
}

原文地址：https://www.cnblogs.com/amcy/p/9797242.html