How to use sticker-footer layout in css
This time I will show you how to use the sticker-footer layout in css, and what are the precautions when using the sticker-footer layout in css. The following is a practical case, let's take a look.
In web design, sticky footers design is one of the oldest and most common effects that most people have experienced at one time or another. It can be summarized as follows: if the page content is not long enough, the footer block is pasted at the bottom of the window; if the content is long enough, the footer block is pushed down by the content. Not only is this effect ubiquitous and popular, but it's also deceptively easy to achieve. But it actually took more time to implement than expected. Additionally, solutions in CSS 2.1 almost always set a fixed height for the footer. This is very fragile and rarely feasible. In fact, it is too complicated to achieve this effect, and it also requires adding specific tags and some Hack methods. There are some limitations in CSS2.1, but using modern CSS, we can make this effect better, so how to do it?
1. The nesting level is not deep and can be directly inherited from body width: 100%; height: 100%;
// html <body> <p id="sticker"> <p class="sticker-con">我是内容</p> </p> <p class="footer">我是脚</p> </body>
// css
html,body{
width:100%;
height:100%;
}
#sticker{
width:100%;
min-height:100%;
}
.sticker-con{
padding-bottom:40px; // 40px 为 footer 本身高度
}
.footer{
margin-top:-40px; // 40px 为 footer 本身高度
}2. The nesting level is very deep and the percentage cannot be directly inherited from the superior level. Height
The first method: Create a wrapper for the required sticker-footer
<body> <p id="wrapper"> <p id="sticker"> <p class="sticker-con">我是内容</p> </p> <p class="footer">我是脚</p> </p> </body>
.wrapper{
position:fixed; // 这样 wrapper 就可以直接从 html,body 继承 百分比高度了
overflow:auto; // 当高度超过 100% ;时产生滚动条
width:100%;
height:100%; // 继承自 body
}
// wrapper 内部包裹的结构，就如上所示了，css样式也一样3. When the height cannot be obtained by percentage, it can also be obtained through js
//css样式同第一种， 只是 sticker 的 min-height 用css获取
<body>
<p id="sticker">
<p class="sticker-con">我是内容</p>
</p>
<p class="footer">我是脚</p>
</body>
var sticker = document.querySelector('#sticker');
var h = document.body.clientHeight;
sticker.style.minHeight = h - 44 + 'px';
//这种方式也可应对一些特殊情况，比如有头部导航栏的情况，可以灵活的处理 min-height:4. Powerful flex layout flex-direction:column
The wrapper container display:flex; flex-direction:column
sticker: flex:1; occupies the remaining space except the footer
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
<title>sticker footer</title>
</head>
<style>
html,body{
width: 100%;
height: 100%;
background-color: #ccc;
margin:0;
padding: 0;
}
header{
height:44px;
width: 100%;
text-align: center;
line-height: 44px;
}
#wrapper{
display: flex;
flex-direction: column;
width: 100%;
/*height: 100%;*/
}
#sticker{
background-color: red;
flex: 1;
}
#sticker .sticker-con{
padding-bottom: 40px;
}
.footer{
background-color: green;
height: 40px;
}
</style>
<body>
<header>我是头部</header>
<p id="wrapper">
<p id="sticker">
<p class="sticker-con">我是内容</p>
</p>
<p class="footer">我是脚</p>
</p>
</body>
<script>
var wrapper = document.querySelector('#wrapper');
var h = document.body.clientHeight;
wrapper.style.minHeight = h - 44 + 'px'; // 减去头部导航栏高度
</script>
</html>I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!
Recommended reading:
Pure css to realize the 3D effect of the photo wall
The above is the detailed content of How to use sticker-footer layout in css. For more information, please follow other related articles on the PHP Chinese website!
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