Add a beautiful background color to the blog post title

Someone posted a message on my blog about the formatting of my Blog content, which is summarized below. Note: I have also learned from a Web Front-end expert. Now I am going to show off my work.

Configuration

After logging on to the blog, go to manage> Settings.

Paste the following code in the "customize code page style through CSS code" text box, and deselect "Disable template default CSS"

= "/">

Enter the following JavaScript code in "footer Html code"
">
After both are filled in, save the settings.
Blog title format: h1
Every time you write a blog post, save the title of your article as h1 (Title 1), for example, using word to write a blog
Preview
After posting a blog post, you will find that the content in Title 1 is displayed as follows, for example: