Switch to better stylesheets using Sass/SCSS or modules

[zrthxn]

2.0 milestone

[jennydaman]

Related #151 #162 #190

[OladapoAjala]

I think SASS/SCSS is a good way to go, I am however not sure if we can have SASS/SCCS and modules setup together.

[thessakranendonk]

@jennydaman Is this task still open? I'm trying to find tasks to work on that haven't been claimed yet as lot of issues have been assigned already