Cascading Style Sheets (CSS) is a stylesheet language used to describe the presentation of a document written in a markup language. Its most common application is to style web pages written in HTML ...

Google says images styled with CSS won’t be indexed in Image Search, advising developers to use HTML tags for important visuals. CSS background images aren’t indexed by Google Image Search. Google ...

Your Tumblr theme sets the background color of each of your posts. Tumblr also offers you the option to edit your theme to further customize your design. For example, you can change your posts' ...