Using custom CSS, you can add a colored background to your posts without editing your posts in other ... Replace "yellow" with the specific color that you want to apply or with the color's HTML code.

Key Takeaways Start with basic concepts like selectors, properties, and box model before moving to layouts.Use online tools ...

The code between the opening tag contains the CSS. In this instance, the red class has a color attribute whose value is red. The div tage, shown below the style sheet, references that class.