https://freefrontend.com/css-background-patterns/
https://www.wowpatterns.com/
https://www.graphicsfuel.com/2018/08/60-free-seamless-patterns/
https://www.toptal.com/designers/subtlepatterns/
http://freegoodiesfordesigners.blogspot.com/2015/04/15-free-fresh-colorful-patterns.html
https://www.behance.net/gallery/66125029/Elegant-camo-Abstract-pattern-pack-FREE-DOWNLOAD
https://dribbble.com/shots/4544363--Sprinkles-Pattern-FREEBIE
https://dribbble.com/shots/1900829-Free-Wood-Vector-Pattern
