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HTML/CSS基础知识-html的基本结构和选择器类型及作用,css的样式种类及作用 2018-8-13 17:42
朝闻道的博客
Original
477 people have browsed it

实例

代码:

<!DOCTYPE html> <!-- xml xhtml 声明 --><!--注释的快捷键: ctrl+/ -->
<html>
<head><!-- 定义网页头部 -->
	<title>php中文网——视频教程</title>
	<meta charset="utf-8"><!-- 字符集编码 -->
	<!-- link:定义文档与外部资源的关系 链接外部文件 -->
	<link rel="stylesheet" type="text/css" href="static/style.css">
	<!-- 链接外部css样式表  外部样式:为了共享 -->	
	<link rel="shortcut icon" type="image/x-icon" href="images/footlogo.png">
	<!-- 在title内部放入图片 -->
	<style type="text/css">/*内部样式:只针对当前页面*/
		/*tag标签名、id名(名字前面加 #) class名  属性选择器*/
		body{}/*标记选择器*/
		#box{width:100px;height: 100px;background: pink; }/*id选择器*/
		.main{width:100px;height: 100px;background: green; }/*class选择器  类*/
		
		a{color: red;}
		/*属性选择器*/
		a[href="http://www.php.cn/"]{color:blue;}
        a[href="demo2.html"]{color:pink; }
        /*派生选择器 根据文档上下文关系来定义样式*/
        div a{color: #000;}
        #box a{}

	</style>
</head>
<body ><!-- 内联样式 style="background: blue;"-->
<img src="">
<a href="https://www.baidu.com">百度</a><!-- 链接到百度 -->
<a href="http://www.php.cn/">php中文网</a>
<a href="demo2.html">demo2</a><a href="#">#</a><!-- 链接到外部文件 -->

<div id="box">
	<a href="">php</a>
</div>
<div class="main"></div>
<div></div>
<div></div>
</body>
</html>

运行实例 »

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手抄代码和总结:

 IMG_20180813_153335.jpg

 IMG_20180813_153354.jpgIMG_20180813_153410.jpgIMG_20180813_153425.jpgIMG_20180813_153432.jpgIMG_20180813_153441.jpg

Correction status:qualified

Teacher's comments:以后的作业就参照这这样的写哦!写的很好!
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