body{
font-size:16px;
}

#header {
    height: 40px;
    width: 100%;
    background-color: #2175bc;
    position: fixed;
    top: 0;
}
#main{
    position: static;
    margin-top:40px;
}
#cnblogs_post_body h4 {
    padding: 0;
    font-weight: bold;
    /* line-height: 1.5; */
    font-family: 'Lato', "PingFang SC", "Microsoft YaHei", sans-serif;
    padding-top: 10px;
    color: #333;
    font-size: 18px;
   background-color: transparent;
}