#cnblogs_post_body h1, 
.blog_comment_body h1 {
    font-size: 28px;
    font-weight: bold;
    line-height: 1.5;
    margin: 10px 0;
}

#cnblogs_post_body h2,
 .blog_comment_body h2 {
    font-size: 21px;
    font-weight: bold;
    line-height: 1.5;
    margin: 10px 0;
}