原来CSS可以直接应用于XML啊~

<?xml-stylesheet href="feed.css" type="text/css"?>

@charset "utf-8";
* {
margin:0;
padding:0;
border:0;
font-family:Tahoma, Arial;
word-break:break-all;
word-wrap:break-word;
line-height:1.5;
}
rss {
display:block;
background:#E5F4D9 url(https://s5s5.me/styles/spring/images/bg.gif) no-repeat scroll left top;
font-size:14px;
color:#6c8c0a;
}
title {
display:block;
color:#6C8C0A;
font-size:16px;
font-weight:bold;
text-align:right;
padding:30px 30px 0 0;
}
link,
description,
language,
copyright,
webMaster,
generator,
pubDate {
display:block;
color:#6c8c0a;
font-size:12px;
text-align:right;
padding:0 30px 0 0;
}
language,
copyright,
webMaster,
generator,
pubDate { color:#7ccd26; }
item {
display:block;
margin:20px 30px;
text-align:right;
}
item title,
item link {
text-align:left;
padding:0;
}
item category,
item author,
item pubDate {
display:inline;
font-size:12px;
color:#7ccd26;
padding:0;
}
item description {
font-size:14px;
text-align:left;
text-indent:2em;
margin:0.5em 0;
padding:0;
}
item commentRss { font:0/0 normal; }
ttl,
item commentRss { display:none; }