The preferred practice is to put style information in a separate file with a .css extension. Using formatting information contained within an external cascading style sheet is accomplished via the ...

CSS cascade is the process of applying style rules to an element based on the source, specificity, and order of the rules. The source can be an inline style, an internal style sheet, an external ...

There are plenty of great resources to learn HTML and CSS. This cheat sheet doesn't attempt to teach everything from scratch. It is a refresher and visual assist for those who already understand ...