CSS stands for Cascading Style Sheets. This is a simple styling language which allows attaching style to HTML elements. Every element type as well as every occurance of a specific element within that type can be declared an unique style, e.g. margins, positioning, color or size. So you might consider these style sheets as templates, very similar to templates in desktop publishing applications. In this course, you will learn how to: Create an external CSS file and link it to multiple HTML files; Embed and import a style sheet; Create inline style sheets; Use tap selector and class selector; Set up font sizes, colors, faces and styles; Set up background color and image; Set up margins, text-align and decoration; Create layers; Set up atributes of the table.