css之display
display
css定位属性Positioning
display: none
不再页面渲染元素
<!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>css-test</title>
<style>
.content {
display: none;
}
</style>
</head>
<body>
<p class="content">这一段落不会被显示出来</p>
<p>这个段落会被显示出来</p>
<p>当一个元素中的display属性是none时，浏览器不会渲染这个元素里的任何内容，不会占据浏览器窗口空间，但它存在与文档流当中。</p>
</body>
</html>display: block
块级元素
<!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>css-test</title> <style> </style> </head> <body> <p>p元素默认是block块级元素</p> <div>div默认也是block块级元素</var></div> <p>块级元素的特点：元素的内容会充满整行</p> </body> </html>
display: inline
行内元素
<!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>css-test</title>
<style>
.content {
display: inline
}
</style>
</head>
<body>
<div class="content">display属性为inline的元素被称为内连元素。</var></div>
<div class="content">相邻元素也是inline属性时，如果内容不够撑开整行。相邻元素的内容会显示在它傍边，当窗口整行不够显示时，内容会换行显示。</div>
</body>
</html>display: inline-block
行内块级元素
<!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>css-test</title>
<style>
.content {
display: inline-block
}
</style>
</head>
<body>
<div class="content">display属性为inline-block的元素被称为行内块级元素。</var></div>
<div class="content">行内块级元素的特性是独占一行，内容不会撑开整行</div>
</body>
</html>display: flex
弹性布局
<!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>css-test</title>
<style>
.content {
display: flex
}
</style>
</head>
<body>
<div class="content">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
</div>
<p>class="content" 的元素会占用整行</p>
<p>子元素宽高由内容撑开</p>
<div class="Primitive">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
</div>
</body>
</html>display: inline-flex
<!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>css-test</title>
<style>
.content {
display: inline-flex
}
</style>
</head>
<body>
<div class="content">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
</div>
<p>class="content" 的元素宽高由子元素撑开</p>
<p>子元素宽高由内容撑开</p>
<div class="Primitive">
<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
</div>
</body>
</html>display: list-item
列表属性
<!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>css-test</title>
<style>
.content {
display: list-item
}
</style>
</head>
<body>
<div class="content">display属性为list-item时元素会作为列表显示</var></div>
<div class="content">下班要买菜</div>
<div class="content">回家要做饭</div>
</body>
</html>display: inherit
继承父级元素的属性
<!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>css-test</title>
<style>
.content {
display: inherit
}
</style>
</head>
<body>
<div>
<span>正常的span元素效果，内容不会撑开整行</span>
<span class="content">继承父级属性的效果，父级的display属性值是block 继承后内容撑开整行</span>
</div>
</body>
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