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".
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>Rendering:
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)
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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