CSS: ITCSS https://www.youtube.com/watch?v=1OKZOV-iLj4
Opened-closed principle
Things should be opened to extension but closed for modification
Example files list:
_base.links.scss
_base.page.scss
_base.quotes.scss
_base.type.scss
_components.ads.scss
_components.boxes.scss
_objects.wrappers.scss
_settings.colors.scss
_settings.global.scss
_tools.aliases.scss
_tools.mixins.scss
_trumps.show-hide.scss
_trumps.widths-responsive.scss