How to set CSS background background and background colors in Web pages

CSS background This refers to setting the background properties of the object through CSS, such as the various styles of setting the background through CSS in a Web page.

CSS Background background: Sets the solid color background. Background background You can set the background color of the object's solid color and set the picture as the background. You can set the object background as a picture, if the background is a picture, you can let the picture repeat the tiling, or the picture as the object background fixed to the object anywhere.

1. CSS background of some small common sense

How to set the background color of a label
There is a Background-color: property in CSS that is specifically used to set the background color
Value:
A specific word
Rgb
Rgba

Hexadecimal

2. CSS background map automatically scales based on screen size