How to set underline in css: 1. Use "text-decoration:underline;" to set the underline style; 2. Use the "border-bottom" attribute to set the underline style.
The operating environment of this article: windows7 system, HTML5&&CSS3 version, DELL G3 computer
How to set underline in css
In CSS, you can use the text-decoration attribute or the border-bottom attribute to set the underline style for the font.
1. Use text-decoration:underline; to set the underline style
The text-decoration attribute of CSS is used to specify the decoration added to the text, and its underline attribute value can define a line under the text. .
Grammar:
text-decoration:underline;
Code example:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>css 文字下划线样式</title>
<style>
.demo span{
text-decoration:underline;
}
</style>
</head>
<body>
<p class="demo">这是一段测试文字，<span>HTML中文网</span>！</p>
</body>
</html>The underline added by the css text-decoration attribute is the simplest style, and there is no way to set any special style, such as The underline is set to a dotted shape. Let's look at another way to add underline, and you can set different underline styles.
2. Use the border-bottom attribute to set the underline style
The border-bottom attribute of CSS can set the bottom border style of the element, so that you can add a line under the text.
Syntax:
border-bottom: width style color;
Parameters:
width: Specifies the width of the lower border.
style: Specifies the style of the lower border.
color: Specifies the color of the lower border.
Description: The border-bottom attribute can realize different text underline styles by controlling the thickness, color, and style of the line.
Code example:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>css 文字下划线样式</title>
<style>
.demo{
width: 400px;
height: 400px;
margin:100px auto;
}
.demo1 span{
border-bottom: 1px solid #000000;
}
.demo2 span{
border-bottom: 5px solid #0081EF;
}
.demo3 span{
border-bottom: 2px dashed #000000;
}
.demo4 span{
border-bottom: 2px dotted #000000;
}
.demo5 span{
border-bottom: 5px double #000000;
}
</style>
</head>
<body>
<div class="demo">
<p class="demo1">这是第1段测试文字，<span>HTML中文网</span>！</p>
<p class="demo2">这是第2段测试文字，<span>HTML中文网</span>！</p>
<p class="demo3">这是第3段测试文字，<span>HTML中文网</span>！</p>
<p class="demo4">这是第4段测试文字，<span>HTML中文网</span>！</p>
<p class="demo5">这是第5段测试文字，<span>HTML中文网</span>！</p>
</div>
</body>
</html>Recommended study: "css video tutorial"
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