如何美化 BlackLowKey 主题

推荐阅读：https://www.cnblogs.com/binbinbinz/p/14631351.html

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孩子比较傻，折腾了半天才整出来，在这里记一下。

往 [页面定制 CSS 代码] 里写东西就行了

以下是几个示例：

body {
    background-image: url(https://example.com/bg.png);
    background-color: #1f1e33;
	background-position: top center;
	background-repeat: no-repeat;
    background-size: cover;
}

#mainContent,#main{
    background: rgba(255,255,255,0.7)
}

#navigator{
    background-color: rgba(48,48,48,0.9)
}

#blog_post_info,#cnblogs_ch,#under_post_card1,#under_post_card2{
    display: none
}

当然也可以往 [页首 HTML 代码] 里塞点东西，例如：

<link href='https://fonts.googleapis.com/css?family=Ubuntu' rel='stylesheet' type='text/css' />
<style type="text/css" >
.postTitle {
    font-family : 'Ubuntu', sans-serif;
    font-weight: 900;
    font-size: 22px !important;
}
body {
    background-image: url(https://img2023.cnblogs.com/blog/2336113/202307/2336113-20230726212525505-349967023.jpg);
    background-color: #120714;
	background-position: top center;
	background-repeat: no-repeat;
    background-size: cover;
}
#mainContent{background-color: rgba(255,255,255,0.6)}
#main       {background-color: rgba(255,255,255,0.5)} 
pre         {background-color: rgba(255,255,255,0.3)!important;color:#000!important} 
.hljs       {background-color: rgba(255,255,255,0.5)!important;} 
.navbar     {background-color: rgba(255,255,255,0.8)}
#navigator  {background-color: rgba(48,48,48,0.9)}
.postBody li, .postCon li {margin-bottom: 0em;}

#comment_nav,#tip_comment2,#green_channel,#cnblogs_ch,#cnblogs_c1,#under_post_card1,#under_post_card2{
    display: none
}

#cnblogs_post_body p,.postCon{
    font-family: 'Ubuntu','PingFang SC','Microsoft YaHei','Helvetica Neue','Helvetica','Arial',sans-serif;
    font-size: 16px;
}
#cnblogs_post_body h1{
    font-family: 'Ubuntu','PingFang SC','Microsoft YaHei','Helvetica Neue','Helvetica','Arial',sans-serif;
    font-size: 32px;
}
#cnblogs_post_body h2{
    font-family: 'Ubuntu','PingFang SC','Microsoft YaHei','Helvetica Neue','Helvetica','Arial',sans-serif;
    font-size: 26px;
}
#cnblogs_post_body h3{
    font-family: 'Ubuntu','PingFang SC','Microsoft YaHei','Helvetica Neue','Helvetica','Arial',sans-serif;
    font-size: 22px;
}
#cnblogs_post_body h4{
    font-family: 'Ubuntu','PingFang SC','Microsoft YaHei','Helvetica Neue','Helvetica','Arial',sans-serif;
    font-size: 18px;
}
#cnblogs_post_body h5{
    font-family: 'Ubuntu','PingFang SC','Microsoft YaHei','Helvetica Neue','Helvetica','Arial',sans-serif;
    font-size: 16px;
}
.cnblogs-markdown :not(pre,div,td)>code, .blogpost-body :not(pre,div,td)>code{
    font-family: "Consolas","Courier New",monospace,sans-serif;
    font-size: 14px;
}
#cnblogs_post_body hr {
    border-top: #333;
}
</style>