How css3 sets the background gray and transparency

This article mainly shows you "how to set the background gray and transparent in css3". The content is simple and clear. I hope it can help you solve your doubts. Let me lead you to study and learn this article "how to set gray and transparent background in css3".

Method: 1, use the background attribute to set the background color to gray, only need to add the "background:#c0c0c0;" style to the element; 2, use the opacity attribute to set the transparency of the element, just add the "opacity: transparency value;" style to the element.

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

In css, you can use the background attribute to set the background to gray, simply by adding a "background:#c0c0c0" style to the element.

In css, you can use the opacity attribute to set the transparency of the element, and the opacity attribute to set the opacity level of the element. Stipulate opacity. From 0.0 (fully transparent) to 1.0 (completely opaque).

Examples are as follows:

Document .div1 {width:200px; height:200px; background:#c0c0c0;} .div2 {width:200px; height:200px; background:#c0c0c0; opacity:0.5;} set gray: set gray and transparency:

Output result:

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