There are four ways to introduce css: 1. Use "" to introduce css styles; 2. Use "@import "css file address"" to introduce css styles; 3. Write the css style in the style tag; 4. Use the style attribute to write the css style in the element tag.
The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.
(1) Link type: Use the tag in the
<link href="./mystyle.css" rel="stylesheet" type="text/css"/>
(2) Import type: Introduce an independent .css file into the HTML file. The import type uses CSS rules to introduce external CSS files. The
