This makes the code shorter and easier to read. In addition, it makes it
compile successfully with pyScss, which doesn't support @while loops.
Replace @while loops with @for loops
This is way more readable, +1
@m5o Do you have an opinion?
No, looking good.
build bootstrap v2.3.1 from SASS files
* [Replace @while loops with @for loops](#60)
* [missing gradient-vertical-three-colors mixing}(#65)