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 ...

We can gather some basic information about the user, like the screen resolution (when the browser is maximized) and which browser (or engine) is used. Further, we can detect if a user clicks a link or ...