The content of this article is about how to use setting image effects. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Images play an important role in any web page. While it’s not recommended to include a lot of images, it’s still important to use good images wherever needed.
CSS plays a great role in controlling image display. You can set the following image properties using CSS.
The border attribute is used to set the width of the image border.
The height attribute is used to set the height of the image.
The width attribute is used to set the width of the image.
The -moz opacity property is used to set the opacity of the image.
1. Image border attribute
The border attribute of the image is used to set the width of the image border. The length or value of this attribute can be %.
Zero pixel width means no border, example:
<html>
<head>
</head>
<body>
<img src="/static/imghwm/default1.png" data-src="https://img.php.cn//upload/image/154/597/505/1541749725963338.png?x-oss-process=image/resize,p_40" class="lazy" style = "border:0px;" src = "https://img.php.cn/upload/article/000/000/003/5a9675a3b2106284.jpg" / alt="How to use set image effects? (code example)" >
<br />
<img src="/static/imghwm/default1.png" data-src="https://img.php.cn//upload/image/154/597/505/1541749725963338.png?x-oss-process=image/resize,p_40" class="lazy" style = "border:3px dashed red;" src = "https://img.php.cn/upload/article/000/000/003/5a9675a3b2106284.jpg" / alt="How to use set image effects? (code example)" >
</body>
</html>The display effect is as follows:
2. Image height setting attribute:
The width attribute of the image is used to set the width of the image. The length or value of this attribute can be %. Although the value is expressed in %, it applies to the box within which the image is available. The case is as follows:
<html>
<head>
</head>
<body>
<img src="/static/imghwm/default1.png" data-src="https://img.php.cn//upload/image/996/544/135/1541749915916713.png?x-oss-process=image/resize,p_40" class="lazy" style = "border:1px solid red; height:100px;" src = "https://img.php.cn/upload/article/000/000/003/5a9675a3b2106284.jpg" / alt="How to use set image effects? (code example)" >
<br />
<img src="/static/imghwm/default1.png" data-src="https://img.php.cn//upload/image/996/544/135/1541749915916713.png?x-oss-process=image/resize,p_40" class="lazy" style = "border:1px solid red; height:50%;" src = "https://img.php.cn/upload/article/000/000/003/5a9675a3b2106284.jpg" / alt="How to use set image effects? (code example)" >
</body>
</html>
3.moz-opacity attribute
The -moz-opacity attribute of the image is used to set the opacity of the image. This property is used to create transparent images in Mozilla. IE uses filter:alpha(opacity=x) to create transparent images. [Recommended reading: How to achieve transparency and opacity of images in css]
In Mozilla (-moz-opacity: x) x can be a value between 0.0 and 1.0. Lower values make the element more transparent (CSS3 valid syntax for opacity is the same: x).
In IE (filter: alpha(opacity = x)) x can be a value between 0 and 100. Lower values make the element more transparent. The code is as follows:
<html>
<head>
</head>
<body>
<img src="/static/imghwm/default1.png" data-src="https://img.php.cn//upload/image/369/557/389/1541750120148707.png?x-oss-process=image/resize,p_40" class="lazy" style = "border:1px solid red; -moz-opacity:0.4; filter:alpha(opacity=40);" src = "https://img.php.cn/upload/article/000/000/003/5a9675a3b2106284.jpg" / alt="How to use set image effects? (code example)" >
</body>
</html>The effect is as follows:
The above is a complete introduction to how to use the setting image effect, if you want to know more about CSS3 video tutorial, please pay attention to the PHP Chinese website.
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