How to vertically center css text
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.
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:
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:
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:
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