Make website responsive

https://github.com/hackergarten/hackergarten.github.io/issues/9

Done hat the Hackergarten in Basel together with @mparada and @agebert
Make website responsive

https://github.com/hackergarten/hackergarten.github.io/issues/9

Done hat the Hackergarten in Basel together with @mparada and @agebert
Merge branch 'master' of https://github.com/McPringle/hackergarten.github.io

Conflicts:
	css/main.css
Better title than "Superduper Megasite"
Merge pull request #11 from McPringle/master

Make website responsive - thanks a lot :-)