2. HTML. We write HTML in files that end with the .html extension (like homepage.html).. To write HTML and CSS code, you’ll want to install a code editor.Nowadays, one of the most popular free ...

Add a short CSS class to an HTML Web page to use animated and stationary GIF images as the page's background. ... Give the background color by adding "background-color:colorName" to the CSS code.

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.