[HTML&CSS] Useful Sites

Useful Sites

• JS Bin: https://jsbin.com/

• Markup Validation Service: https://validator.w3.org/

• Can I use…: https://caniuse.com/

• Color Tool: https://material.io/resources/color/

• CSS Diner: https://flukeout.github.io/

• Flexbox Froggy: https://flexboxfroggy.com/#ko