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This article mainly introduces the relevant knowledge of "whether css3 supports rgba". The editor shows you the operation process through an actual case, and the operation method is simple, fast and practical. I hope that this article "whether css3 supports rgba" can help you solve the problem.

Css3 supports the rgba;rgba () function is a function in css3 that uses the superposition of red, green, blue and transparency to generate a variety of colors. The values of red, green and blue range from "0 to 255" or" 0 to 100% ", while the value range of transparency is from 0 to 1. The syntax is" rgba (red, green, blue, transparency) ".

The operating environment of this tutorial: windows10 system, CSS3&&HTML5 version, Dell G3 computer.

Does css3 support rgba?

The rgba () function uses the superposition of red (R), green (G), blue (B), and transparency (A) to generate a variety of colors. Supported version: CSS3

RGBA means red, green, blue, transparency (English: Red, Green, Blue, Alpha).

Colors in CSS can be defined in three ways: using color methods (RGB, RGBA, HSL, HSLA), hexadecimal color values, and predefined color names.

CSS syntax

Rgba (red, green, blue, alpha)

Red defines red values, ranging from 0 to 255. you can also use percentages from 0 to 100%.

Green defines green values, ranging from 0 to 255, or percentages from 0 to 100%.

Blue defines blue values, ranging from 0 to 255, or percentages from 0 to 100%.

Alpha-Transparency defines transparency 0 (completely transparent) ~ 1 (completely opaque)

Examples are as follows:

123#p1 {background-color:rgba;} # p2 {background-color:rgba;} # p3 {background-color:rgba; 192 background-color:rgba;} # p5 {background-color:rgba;} # p6 {background-color:rgba;

RGB color and use transparency:

Red

Green

blue

Grey

Yellow

Cherry color

Output result:

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