How to write css3 color transparency
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Write: 1, "rgba (red, green, blue, transparency)"; rgba () function through the red, green and blue superposition to generate a variety of colors and control color transparency; 2, "hsla (hue, saturation, brightness, transparency)"; hsla () function through hue, saturation and brightness to define color and control color transparency.
The operating environment of this tutorial: windows10 system, CSS3&&HTML5 version, Dell G3 computer.
How to write css3 color transparency
1. In css, you can use the rgba () function to generate a variety of colors using the superposition of red (R), green (G), blue (B) and transparency (A).
The syntax is as follows:
Rgba (red, green, blue, alpha)
Where:
Examples are as follows:
123#p1 {background-color:rgba;} # p2 {background-color:rgba;}
RGB color and use transparency:
Red
Red
Output result:
2. The hsla () function uses hue, saturation, brightness, and transparency to define colors.
HSLA means hue, saturation, brightness and transparency (English: Hue, Saturation, Lightness, Alpha).
Examples are as follows:
123#p1 {background-color:hsla (120100% 50% 0.30);} # p2 {background-color:hsla (120100% 50% 1st);}
HSL color and use transparency:
Green
Green
Output result:
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