![Cascading Style Sheets, designing for the Web – Chapter 3: The amazing em unit and other best practices Cascading Style Sheets, designing for the Web – Chapter 3: The amazing em unit and other best practices](https://www.w3.org/Style/LieBos3e/images/em-2.png)
Cascading Style Sheets, designing for the Web – Chapter 3: The amazing em unit and other best practices
![Kevin Powell on Twitter: "If you set padding with ems, it will automatically change when changing the font-size of that element, helping keep the proportions. Play with the code: https://t.co/Molq1UBimB Watch a Kevin Powell on Twitter: "If you set padding with ems, it will automatically change when changing the font-size of that element, helping keep the proportions. Play with the code: https://t.co/Molq1UBimB Watch a](https://pbs.twimg.com/media/EOkPep5WsAERjdz.jpg)
Kevin Powell on Twitter: "If you set padding with ems, it will automatically change when changing the font-size of that element, helping keep the proportions. Play with the code: https://t.co/Molq1UBimB Watch a
![CSS challenges - pass/fail related to attribute order · Issue #35830 · freeCodeCamp/freeCodeCamp · GitHub CSS challenges - pass/fail related to attribute order · Issue #35830 · freeCodeCamp/freeCodeCamp · GitHub](https://user-images.githubusercontent.com/49564125/56048074-bb066b80-5d14-11e9-8f0b-4d6b3954f4a7.png)