第1关 CSS 元素选择器
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>元素选择器</title>
<style type="text/css">
/* ********** BEGIN ********** */
/* 元素选择器 */
html {
background-color:#F0F0F0;
}
header{
padding:40px;
background-color:white;
}
footer {
font-size:0.6em;
margin-top: 20px;
color:grey;
}
/* ********** END ********** */
</style>
</head>
<body>
<div>
<header>
<li><a href="#chosen">精选</a></li>
<li><a href="#news">时事</a></li>
<li><a href="#finance">财政</a></li>
<li><a href="#think">思想</a></li>
<li><a href="#life">生活</a></li>
</header>
<div>
<section>
<h2>精选</h2>
<li>精选新闻1</li>
<li>精选新闻2</li>
<li>精选新闻3</li>
</section>
<section>
<h2>时事</h2>
<li>时事新闻1</li>
<li>时事新闻2</li>
<li>时事新闻3</li>
</section>
<section>
<h2>财政</h2>
<li>财政新闻1</li>
<li>财政新闻2</li>
<li>财政新闻3</li>
</section>
<section>
<h2>思想</h2>
<li>思想新闻1</li>
<li>思想新闻2</li>
<li>思想新闻3</li>
</section>
<section>
<h2>生活</h2>
<li>生活新闻1</li>
<li>生活新闻2</li>
<li>生活新闻3</li>
</section>
</div>
<footer>Copyright (c) News Copyright Holder All Rights Reserved.</footer>
</div>
</body>
</html>第2关 CSS 类选择器
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>类选择器</title>
<style type="text/css">
/* 元素选择器 */
html {
background-color: #F0F0F0;
}
header {
padding: 40px;
background-color: white;
}
footer {
margin-top: 20px;
font-size: 0.6em;
color: grey;
}
/* 类选择器 */
.main {
margin: 10px;
}
/* ********** BEGIN ********** */
.newsSection{
margin-top:20px;
padding:20px;
background-color:white;
}
/* ********** END ********** */
</style>
</head>
<body>
<div class="main">
<header>
<li><a href="#chosen">精选</a></li>
<li><a href="#news">时事</a></li>
<li><a href="#finance">财政</a></li>
<li><a href="#think">思想</a></li>
<li><a href="#life">生活</a></li>
</header>
<!-- ********** BEGIN ********** -->
<div class="newsSection">
<!-- ********** END ********** -->
<section>
<h2>精选</h2>
<li>精选新闻1</li>
<li>精选新闻2</li>
<li>精选新闻3</li>
</section>
<section>
<h2>时事</h2>
<li>时事新闻1</li>
<li>时事新闻2</li>
<li>时事新闻3</li>
</section>
<section>
<h2>财政</h2>
<li>财政新闻1</li>
<li>财政新闻2</li>
<li>财政新闻3</li>
</section>
<section>
<h2>思想</h2>
<li>思想新闻1</li>
<li>思想新闻2</li>
<li>思想新闻3</li>
</section>
<section>
<h2>生活</h2>
<li>生活新闻1</li>
<li>生活新闻2</li>
<li>生活新闻3</li>
</section>
</div>
<footer>Copyright (c) News Copyright Holder All Rights Reserved.</footer>
</div>
</body>
</html>
第3关 CSS id选择器
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>ID选择器</title>
<style type="text/css">
/* 元素选择器 */
html {
background-color: #F0F0F0;
}
header {
padding: 40px;
background-color: white;
}
footer {
margin-top: 20px;
font-size: 0.6em;
color: grey;
}
/* 类选择器 */
.main {
margin: 10px;
}
.newsSection {
margin-top: 20px;
padding: 20px;
background-color: white;
}
/* ********** BEIGN ********** */
/*选择menu元素下的li子元素*/
#menu li {
float: left;
width: 70px;
font-size: 1.2em;
font-weight: lighter;
}
/*选择menu元素下的li子元素和li下得a子元素*/
#menu li, li a {
list-style: none;
text-decoration: none;
}
#chosen{color:red;}
#news{color:blue;}
#finance{color:olive;}
#think{color:green;}
#life{color:orange;}
/* ********** END ********** */
</style>
</head>
<body>
<div class="main">
<!-- ********** BEGIN ********** -->
<header id="menu" >
<!-- ********** END ********** -->
<li><a href="#chosen">精选</a></li>
<li><a href="#news">时事</a></li>
<li><a href="#finance">财政</a></li>
<li><a href="#think">思想</a></li>
<li><a href="#life">生活</a></li>
</header>
<div class="newsSection">
<section>
<h2 id="chosen">精选</h2>
<li>精选新闻1</li>
<li>精选新闻2</li>
<li>精选新闻3</li>
</section>
<section>
<h2 id="news">时事</h2>
<li>时事新闻1</li>
<li>时事新闻2</li>
<li>时事新闻3</li>
</section>
<section>
<h2 id="finance">财政</h2>
<li>财政新闻1</li>
<li>财政新闻2</li>
<li>财政新闻3</li>
</section>
<section>
<h2 id="think">思想</h2>
<li>思想新闻1</li>
<li>思想新闻2</li>
<li>思想新闻3</li>
</section>
<section>
<h2 id="life">生活</h2>
<li>生活新闻1</li>
<li>生活新闻2</li>
<li>生活新闻3</li>
</section>
</div>
<footer>Copyright (c) News Copyright Holder All Rights Reserved.</footer>
</div>
</body>
</html>