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元素的分类
css的diaplay属性
背景图片
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>CSS的display属性</title>
<style>
*{
padding:0;
margin:0;
}
a{
/*此处填写代码*/
display: block;
width: 200px;
height: 200px;
background: red;
}
span{
/*此处填写代码*/
display: block;
width: 200px;
height: 200px;
background: green;
}
</style>
</head>
<body>
<a href="">请把我变成块元素</a>
<span>请把我变成块元素</span>
</body>
</html>
背景图片
[外链图片转存失败(img-artH6aWw-1564155857806)(https://upload-images.jianshu.io/upload_images/11158618-05f8c12feb28e7b1.png?imageMogr2/auto-orient/strip|imageView2/2/w/1240)]
[外链图片转存失败(img-pwk3STVm-1564155857807)(https://upload-images.jianshu.io/upload_images/11158618-9cb8e0cacb298bd9.png?imageMogr2/auto-orient/strip|imageView2/2/w/1240)]
[外链图片转存失败(img-OjdV6Pfb-1564155857810)(https://upload-images.jianshu.io/upload_images/11158618-47370ba2c9a43119.png?imageMogr2/auto-orient/strip|imageView2/2/w/1240)]
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