Learn how to use CSS pseudo-elements to style content that does not actually exist in your HTML, like ::before and ::after Lil Wayne's 'SNL 50' performance reignites Super Bowl discourse on social ...

It would be possible to create a CSS rule that will apply to any HTML element called "introduction". For example: The # symbol is used in CSS to let the browser know that the selector will apply a ...

This is often done for proposed attributes that are expected to be included in future CSS releases. CSS selectors can be HTML tags, class attributes assigned to HTML tags and even states of a given ...