What are the benefits of using CSS variables for managing rem-based typography

Dec 17, 2015 ... I'm gonna size everything with them, that way I can adjust the font-size on the root element and everything will scale with it! Aug 19, 2024 ... It seems that most web designers choose scalable units ( rem , based on font size) for pretty much everything, instead of fixed units ( px ). Dec 3, 2020 ... 52 votes, 44 comments. I am really confused about rem. I understand that it's related to the root font size (usually 16px if not changing). Feb 2, 2023 ... The pros and cons of a very common front end hack to manage rem unit sizing. Feb 11, 2025 ... Think of REM (short for “root em“) as a dynamic measuring stick that adapts to your website's core font size. This flexibility is a game-changer ... Aug 30, 2023 ... REM is based on the browser's default font size, which is typically 16px. So, usually, 1rem is equal to 16px. Nov 3, 2023 ... Using rem is a good idea because it respects user preferences and allows the UI to scale with the default font size set in the browser. Jul 16, 2023 ... - Em is relative to the font size of the parent element, rem is relative to the html root font size. Em can cause nested font sizes to compound, ... Oct 3, 2022 ... For the font-size of the p tag, rem refers to the font-size of the root ( html ) element. So font-size: 1.5rem on the p tag will be interpreted ... ... font size by adding a line-height modifier to any font size utility. For example, use text-xl/8 to set a font size of 1.25rem with a line-height of 2rem .