How to set text transparent background opaque using css-CSS Tutorial-php.cn

How to set text transparent background opaque using css

青灯夜游

Release： 2023-01-03 09:32:05

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In CSS, you can use the color attribute with the rgba() function to set the text transparent background opaque effect. The syntax format is "rgba(red, green, blue, alpha)"; among them, the parameter alpha is used to set Transparency, value between "0.0" and "1.0".

How to set text transparent background opaque using css

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

css Set text transparent background opaque

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<style type="text/css">
			div{
				background: palevioletred;
				width: 200px;
				height: 200px;
			}
			.box {
				
				color: rgba(255, 255, 255, 0.4)
			}
		</style>
	</head>

	<body>
		<div>
			<span>我是正常文字</span><br />
			<span class="box">我是透明文字</span>
		</div>
	</body>

</html>

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Rendering:

How to set text transparent background opaque using css

css RGBA

RGBA means (Red-Green-Blue-Alpha). It is extended on RGB to include the "alpha" channel, which sets the transparency of the color value.

Syntax:

RGBA(R,G,B,A)

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Value:

R: red value. Positive integer | Percent
G: Green value. Positive integer | Percent
B: Blue value. Positive integer | Percent
A: Alpha transparency, ranging from 0 to 1.

Recommended tutorial: CSS video tutorial

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