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How to vertically center css text

藏色散人

Apr 29, 2021 am 09:15 AM

css

How to vertically center text in css: 1. Use the line-height attribute to vertically center text; 2. Format external blocks into table cells; 3. Vertically center text through CSS3 flex layout.

How to vertically center css text

The operating environment of this article: Windows7 system, HTML5&&CSS3 version, Dell G3 computer.

Method:

Method 1: Use the line-height property to vertically center the text

The line-height property sets the distance between lines (line height ); negative values are not allowed for this attribute.

The line-height property affects the layout of the line box. When applied to a block-level element, it defines the minimum distance between baselines in that element rather than the maximum distance.

The calculated difference between line-height and font-size (known as "line spacing" in CSS) is divided into two halves and added to the top and bottom of a line of text content. The smallest box that can contain this content is a line box.

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>css 垂直居中</title>
        <style>
            .box{
                width: 300px;
                height: 300px;
                background: #ddd;
                line-height:300px;
            }
        </style>
    </head>
    <body>
        <div class="box">css 垂直居中了--文本文字</div>
    </body>
</html>

Rendering:

How to vertically center css text

Method 2: Format outer block into table cell

The content of table cell can be vertical Center, format the outer block as a table cell to vertically center the text.

Example: Placing a paragraph inside a block with a specific given height

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>css 垂直居中</title>
        <style>
            .box{
                width: 400px;
                height: 200px;
                background: #ddd;
display: table-cell;
vertical-align: middle;
            }
        </style>
    </head>
    <body>
        <div class="box">css 垂直居中了--文本文字</div>
    </body>
</html>

Rendering:

How to vertically center css text

Method 3: Using CSS3 The flex layout makes the text vertically centered

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>css 垂直居中</title>
        <style>
            .box{
                width: 300px;
                height: 200px;
                background: #ddd;
                 /*设置为伸缩容器*/
                display: -webkit-box;
                display: -moz-box;
                display: -ms-flexbox;
                display: -webkit-flex;
                display: flex;
                /*垂直居中*/
                -webkit-box-align: center;/*旧版本*/
                -moz-box-align: center;/*旧版本*/
                -ms-flex-align: center;/*混合版本*/
                -webkit-align-items: center;/*新版本*/
                align-items: center;/*新版本*/
            }
        </style>
    </head>
    <body>
        <div class="box">css 垂直居中--文本文字（弹性布局）</div>
    </body>
</html>

Rendering:

How to vertically center css text

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