Google's John Mueller and Martin Splitt spoke for just under 40 minutes on the topic of CSS and SEO. They covered why CSS ...

WordPress' built-in editor has an HTML mode that lets you override the background color of a post by changing its CSS (Cascading Style Sheet) background-color attribute to the color of your choice.

CSS works in combination with HTML. We can create buttons, links, and other elements using HTML and then using CSS we can change those elements’ size, color, position, etc.

You can also add a background-position attribute to your CSS, with values such as center, left top and right bottom. Add this attribute to make your GIF appear at specific locations in the background.