html 布局，上下各100px,中间自适应

flex

 <!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body {
        margin: 0px;
        padding: 0px;
        height: 100vh;
        display: flex;
        flex-direction: column;
      }
      .top,
      .bottom {
        height: 100px;
        background-color: red;
      }
      .center {
        background-color: pink;
        flex: 1;
      }
    </style>
  </head>
  <body>
    <div class="top"></div>
    <div class="center"></div>
    <div class="bottom"></div>
  </body>
</html>

绝对定位

 <!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      html,
      body {
        margin: 0px;
        padding: 0px;
        height: 100vh;
        position: relative;
        overflow: hidden;
      }
      .top,
      .bottom {
        height: 100px;
        background-color: red;
      }
      .top {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
      }
      .bottom {
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
      }
      .center {
        box-sizing: border-box;
        width: 100%;
        height: 100%;
        padding: 100px 0;
      }
 
      .content {
        height: 100%;
        background-color: blue;
        width: 100%;
      }
    </style>
  </head>
  <body>
    <div class="top"></div>
    <div class="center">
      <div class="content"></div>
    </div>
    <div class="bottom"></div>
  </body>
</html>

grid

 <!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      html,
      body {
        margin: 0px;
        padding: 0px;
        height: 100vh;
        overflow: hidden;
        display: grid;
        grid-template-rows: 100px auto 100px;
      }
      .top,
      .bottom {
        background-color: rgba(255, 0, 0, 0.5);
      }
      .center {
        background-color: blue;
      }
    </style>
  </head>
  <body>
    <div class="top"></div>
    <div class="center"></div>
    <div class="bottom"></div>
  </body>
</html>

posted @ 2020-03-13 17:25 Ajanuw 阅读(391) 评论(0) 编辑收藏举报

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	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>Document</title>
	<style>
	body {
	margin: 0px;
	padding: 0px;
	height: 100vh;
	display: flex;
	flex-direction: column;
	}
	.top,
	.bottom {
	height: 100px;
	background-color: red;
	}
	.center {
	background-color: pink;
	flex: 1;
	}
	</style>
	</head>
	<body>
	<div class="top"></div>
	<div class="center"></div>
	<div class="bottom"></div>
	</body>
	</html>

Ajanuw

做自己的King

html 布局，上下各100px,中间自适应

flex

绝对定位

grid