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Emmet is a tool designed to help developers save time while writing HTML and CSS. Emmet includes abbreviations for every HTML tag and includes CSS abbreviations. The tool is already built into some of the most used text editors, if your favorite text editor doesn't come with it, you can also download it as a plugin and check for specific instructions from their website. You can also chain abbreviations with a CSS look-alike syntax, with the help of the "! " shortcut.