css colors

http://semantic-ui.com/

https://www.myresponsee.com/responsive-website-templates/ 

http://designmodo.github.io/Flat-UI/#

design  http://chemistry.beantownthemes.com/#

https://www.myresponsee.com/

http://www.coderstrust.com/how-it-works 

https://blinkux.com/


http://www.boredpanda.com/periodic-table-battleship-elements-homeschooling-karyn-tripp/

https://coolors.co/browser

http://www.materialup.com/posts/c/freebies/design/sketch

http://www.materialpalette.com/grey/grey

http://www.awwwards.com/trendy-web-color-palettes-and-material-design-color-schemes-tools.html 

http://websafecolors.info/ 

http://www.jam3.com/ 

http://grovemade.com/ 

http://www.anarieldesign.com/