https://es.calcuworld.com/informatica/px-a-rem/
- 8px = 0.5333rem
- 9px = 0.6rem
- 10px = 0.6667rem
- 11px = 0.7333rem
- 12px = 0.8rem
- 13px = 0.8667rem
- 14px = 0.9333rem
- 15px = 1rem (base)
- 16px = 1.067rem
- 18px = 1.2rem
- 20px = 1.333rem
- 22px = 1.467rem
- 24px = 1.6rem
- 26px = 1.733rem
- 28px = 1.867rem
- 30px = 2rem
- 32px = 2.133rem
- 34px = 2.267rem
- 36px = 2.4rem
- 38px = 2.533rem
- 40px = 2.667rem