How to set the image size of img using css-CSS Tutorial-php.cn

How to set the image size of img using css

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Release： 2021-11-29 15:40:35

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In CSS, you can use the width and height attributes to set the size of the img element image. The width attribute is used to set the width value of the element, and the height attribute is used to set the height value of the element. The syntax is "img element { width: width value; height: height value;}".

How to set the image size of img using css

The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

How to set the image size of img using css

In css, you can use the width and height attributes to set the image size of img, example As follows:

<!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>123</title>
    <style type="text/css">
    .tupian{
        width:150px;
        height:150px;
    }
</style>
  </head>
  <body>
<img  src="1115.08.png" class="tupian" alt="How to set the image size of img using css" >
<p>上面是设置了大小，下面没设置大小</p>
<img  src="1115.08.png" alt="How to set the image size of img using css" >
  </body>
</html>

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Output result:

How to set the image size of img using css

In the above example, the width and height attributes are set at the same time. If you want to achieve equal scaling, you only need to set One attribute will do. The example is as follows:

When only the width:150px; style is added, the output result is:

How to set the image size of img using css

When only the height:150px; style is added, the output result is:

How to set the image size of img using css

(Learning video sharing: css video tutorial)

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