console 命令行工具 X clear
console
<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=, initial-scale=">
	<meta http-equiv="X-UA-Compatible" content="">
	<title>设置字体</title>
      <style type="text/css">
        font-family:"微软字体" {
            font-size: 20px;
        }
        
        ui {
            color: green;
        }
        ol{
        color:blue;
        }


    
    </style>
</head>
<body>
	<h1>图书排行榜</h1>
    <menu>
        <ui>
        <li>三体</li>
        <li>盗墓笔记</li>
        <li>三生三世十里桃花</li>
    </menu>
    <di>
  <h1>游戏排行榜</h1>
  <ol>
    <li>英雄联盟</li>
    <li>DOTA</li>
    <li>魔兽世界</li>
<body>
</head>	
</html>