[Idea] New css proprierties that you don't know

[Mte90]

• Example mask
• Use svg with css in a easy way

Any other suggestions?

[Mte90]

• https://bitsofco.de/3-new-css-features-to-learn-in-2017
• https://css-tricks.com/lets-look-50-interesting-css-properties-values/

[Mte90]

• https://github.com/stylelint/stylelint
• https://madebymike.com.au/writing/the-invisible-parts-of-CSS/

[Mte90]

it is more for frontend people