Home > Article > Web Front-end > Summary and sharing of CSS layout techniques

Summary and sharing of CSS layout techniques

一个新手Original: 2017-09-06 09:36:171195browse

Single column layout

Horizontal center

Parent element text-align:center;Child element:inline-block;

Advantages: good compatibility;

Disadvantages: need to set child elements and parent elements at the same time

<!DOCTYPE html>
<html lang="en">
<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>水平居中1</title>
<style>
    .parent {
        width: 500px;
        height: 400px;
        background: red;
        text-align: center;
    }
    .child {
        display: inline-block;
        width: 300px;
        height: 100px;
        background: blue;
    }
</style>
</head>
<body>
<p class="parent">
    <p class="child"></p>
</p>
</body>
</html>

Sub-element margin:0 auto;

Advantages: good compatibility
Disadvantages: required Specify width

<!DOCTYPE html>
<html lang="en">
<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>水平居中1</title>
    <style>
        .parent {
            width: 500px;
            height: 400px;
            background: red;
        }
        .child {
            width: 300px;
            height: 100px;
            background: blue;
            margin:0 auto;
        }
    </style>
</head>
<body>
    <p class="parent">
        <p class="child"></p>
    </p>
</body>
</html>

Child elements{display:table;margin:0 auto;}

Advantages: Only need to set itself
Disadvantages: IE6,7 need to adjust the structure

<!DOCTYPE html>
<html lang="en">
<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>水平居中1</title>
    <style>
        .parent {
            width: 500px;
            height: 400px;
            background: red;
        }
        .child {
            width: 300px;
            height: 100px;
            background: blue;
            margin:0 auto;
            display:table;margin:0 auto;s
        }
    </style>
</head>
<body>
    <p class="parent">
        <p class="child"></p>
    </p>
</body>
</html>

Parent Element: relative; child element: absolute; left: 50%; margin-left: - half of the width

Advantages: Good compatibility
Disadvantages: Need to know the width of the child element

<!DOCTYPE html>
<html lang="en">
<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>水平居中1</title>
    <style>
        .parent {
            width: 500px;
            height: 400px;
            background: red;
            position: relative;
            top: 0;
            left: 0;
        }
        .child {
            width: 300px;
            height: 100px;
            background: blue;
            position: absolute;
            top: 0;
            left: 50%;
            margin-left: -150px;
        }
    </style>
</head>
<body>
    <p class="parent">
        <p class="child"></p>
    </p>
</body>
</html>

Parent element: relative; child element: absolute; left:50%; transform :translate(-50%,0);

Advantages: Poor compatibility
Disadvantages: No need to know the subtitles The width of the element

<!DOCTYPE html>
<html lang="en">
<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>水平居中1</title>
    <style>
        .parent {
            width: 500px;
            height: 400px;
            background: red;
            position: relative;
            top: 0;
            left: 0;
        }
        .child {
            width: 300px;
            height: 100px;
            background: blue;
            position: absolute;
            top: 0;
            left: 50%;
            transform: translate(-50%,0);
        }
    </style>
</head>
<body>
    <p class="parent">
        <p class="child"></p>
    </p>
</body>
</html>

Flexible box: Parent element: display:flex;justify-content:center;

Advantages: Simple

Disadvantages: Poor compatibility

<!DOCTYPE html>
<html lang="en">
<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>水平居中1</title>
<style>
    .parent {
        width: 500px;
        height: 400px;
        background: red;
        display: flex;
        justify-content: center;
    }
    .child {
        width: 300px;
        height: 100px;
        background: blue;
    }
</style>
</head>
<body>
<p class="parent">
    <p class="child"></p>
</p>
</body>
</html>

Vertical centering

vertical-align:center;

<!DOCTYPE html>
<html lang="en">
<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>水平居中1</title>
    <style>
        .parent {
            width: 500px;
            height: 400px;
            background: red;
            display:table-cell;
            vertical-align:middle;
        }
        .child {
            width: 300px;
            height: 100px;
            background: blue;
        }
    </style>
</head>
<body>
    <p class="parent">
        <p class="child"></p>
    </p>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<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>垂直居中1</title>
    <style>
        .parent {
            width: 500px;
            height: 400px;
            background: red;
            vertical-align:middle;
            line-height:450px;            
        }
        .child {
            width: 300px;
            height: 100px;
            background: blue;
            display:inline-block;
        }
    </style>
</head>
<body>
    <p class="parent">
        <p class="child"></p>
    </p>
</body>
</html>
<!-- 这种方法需要知道父元素和子元素的高度，父元素的line-height的值为父元素高度减去子元素高度的一半。-->

Parent element: position:relative;Child element: positon:absolute;top:50%;transform:translate( 0,-50%);

<!DOCTYPE html>
<html lang="en">
<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>垂直居中1</title>
    <style>
        .parent {
            width: 500px;
            height: 400px;
            background: red;
            position: relative;
            top: 0;
            left: 0;          
        }
        .child {
            width: 300px;
            height: 100px;
            background: blue;
            position: absolute;
            top: 50%;
            left:0;
            transform: translate(0,-50%);
        }
    </style>
</head>
<body>
    <p class="parent">
        <p class="child"></p>
    </p>
</body>
</html>

Parent element: position:relative; Child element: positon:absolute;top:50%;margin-top:- Half the height of the child element;
Parent element: display:flex;align-items:center;

<!DOCTYPE html>
<html lang="en">
<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>垂直居中1</title>
    <style>
        .parent {
            width: 500px;
            height: 400px;
            background: red;
            display: flex;
            align-items: center;        
        }
        .child {
            width: 300px;
            height: 100px;
            background: blue;
        }
    </style>
</head>
<body>
    <p class="parent">
        <p class="child"></p>
    </p>
</body>
</html>

Horizontal and vertical centering

Parent element: display:table-cell;vertical-align:middle;text-align:center;
Child element; display:inline-block;

<!DOCTYPE html>
<html lang="en">
<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>垂直居中1</title>
    <style>
        .parent {
            width: 500px;
            height: 400px;
            background: red;
            display:table-cell;
            vertical-align:middle;
            text-align:center; 
        }
        .child {
            width: 300px;
            height: 100px;
            background: blue;
            display: inline-block;
        }
    </style>
</head>
<body>
    <p class="parent">
        <p class="child"></p>
    </p>
</body>
</html>

Parent element: position:relative;
Child element: position:absolute

The above is the detailed content of Summary and sharing of CSS layout techniques. For more information, please follow other related articles on the PHP Chinese website!

Statement：

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Previous article：Parsing the usage of FileReader interface in HTML5Next article：Parsing the usage of FileReader interface in HTML5

See more

Summary and sharing of CSS layout techniques

Single column layout

Horizontal center

Vertical centering

Horizontal and vertical centering

Related articles