tryw3_css_tem_17 在线代码实例

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<!DOCTYPE html>
<html lang="en">
<title>编程狮(w3cschool.cn)</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Raleway">
<style>
body,h1,h2,h3,h4,h5 {font-family: "Raleway", sans-serif}
.w3-third img{margin-bottom: -6px; opacity: 0.8; cursor: pointer}
.w3-third img:hover{opacity: 1}
</style>
<body class="w3-light-grey w3-content" style="max-width:1600px">
<!-- Sidebar/menu -->
<nav class="w3-sidebar w3-bar-block w3-white w3-animate-left w3-text-grey w3-collapse w3-top w3-center" style="z-index:3;width:300px;font-weight:bold" id="mySidebar"><br>
  <h3 class="w3-padding-64 w3-center"><b>一些<br>名字</b></h3>
  <a href="javascript:void(0)" onclick="w3_close()" class="w3-bar-item w3-button w3-padding w3-hide-large">关闭</a>
  <a href="#" onclick="w3_close()" class="w3-bar-item w3-button">作品集</a> 
  <a href="#about" onclick="w3_close()" class="w3-bar-item w3-button">关于我</a> 
  <a href="#contact" onclick="w3_close()" class="w3-bar-item w3-button">联系</a>
</nav>
<!-- Top menu on small screens -->
<header class="w3-container w3-top w3-hide-large w3-white w3-xlarge w3-padding-16">
  <span class="w3-left w3-padding">一些名字</span>
  <a href="javascript:void(0)" class="w3-right w3-button w3-white" onclick="w3_open()">☰</a>
</header>
<!-- Overlay effect when opening sidebar on small screens -->
<div class="w3-overlay w3-hide-large w3-animate-opacity" onclick="w3_close()" style="cursor:pointer" title="close side menu" id="myOverlay"></div>
<!-- !PAGE CONTENT! -->
<div class="w3-main" style="margin-left:300px">
  <!-- Push down content on small screens --> 
  <div class="w3-hide-large" style="margin-top:83px"></div>
 
 
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运行结果
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