HTML+CSS project development experience summary (recommendation)

I haven't updated the blog for several days. I just finished a simple project of HTML+CSS. After a few days of exploration, I found that a lot of benefits were found. Before, I just had to write Demo, see the knowledge points, and did not fight the project in person. But after actual combat, you will understand how to better improve your technology. In response to the project development, I summarized the following:

Before starting the project, we can generally understand the content of each page in the project, such as font style, paragraph structure, text size, etc. We can set a fixed style file for these contents. This file can be introduced directly in development without having to repeat the CSS code.