Lukegao1
创建页面，内容为“ To add a CSS file to an HTML document, follow these steps: 1. Create a CSS file: Create a separate file with a .css extension and save it with a name that describes the content. For example, "styles.css". 2. Link the CSS file to the HTML document: To link the CSS file to the HTML document, add the following code inside the head section of the HTML document: ```html <link rel="stylesheet" type="text/css" href="path/to/styles.css"> ``` Make sure to replace…”