记录一段回到顶部的代码，在页脚放入以下代码：

<a id="top" href="javascript:window.scrollTo( 0, 0 );" target="_self" id="top">回到顶部</a>

然后在css中添加：

#top {
  position: fixed;
  bottom: 80px;
  right: 30px;
  opacity: 1;
  cursor: pointer;
}

Wordpress自定义css记录（20230206）

html {scrollbar-width: thin;}

blockquote {
 border-left: 8px solid #0170b9;
 border-bottom-left-radius: 30px 255px;
 border-bottom-right-radius: 255px 25px;
 border-top-left-radius: 255px 25px;
 border-top-right-radius: 30px 225px;
 background: url(https://tupian-1303925435.cos.ap-shanghai.myqcloud.com/bg.gif) center   center;background-size: auto;background-size: cover;}

body {cursor: url("https://tupian-1303925435.cos.ap-shanghai.myqcloud.com/pointer.cur"), default;}

#comments .submit{width:100%;}