How to set borders in html-HTML Tutorial-php.cn

How to set borders in html

藏色散人

Release： 2023-01-04 09:33:44

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htmlHow to set the border: 1. Set the border width through the "border-width" attribute; 2. Set the border style through the "border-style" attribute; 3. Set the border color through the "border-color" attribute.

How to set borders in html

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

HTML Set borders for elements

Attribute: border, which can be the top, right, bottom and left borders of the element (the order is very important)

There are three values:

1.border-width: border width, The default is 3px, which can be set manually. Take the pixel value

2.border-style: border style, required. Desirable: solid (solid border) dashed (dashed border) dotted (dotted border) double (double border)

3.border-color: border color, take the color value, the default is black

<!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>Document</title>
    <style media="screen">
        h1{
            width:300px;
            height:150px;
        }
        .c1{
            /*边框宽度与颜色有默认值，样式必须设置*/
 border:solid;
        }
        .c2{
            border:5px solid red;
        }
        .c3{
            border:5px dashed green;
        }
        .c4{
            border:5px dotted blue;
        }
        .c5{
            border:5px double orange;
        }
    </style>
</head>
<body>
<h1 class="c1"></h1>
<h1 class="c2"></h1>
<h1 class="c3"></h1>
<h1 class="c4"></h1>
<h1 class="c5"></h1>
</body>
</html>

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The effect is as follows:

How to set borders in html

Recommended learning: "HTML video tutorial" "css video tutorial"

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