Feature/pt profile css clean up

What does this MR do?

cleans up the css of the profile as an addition to the work of @EmiliaPaz

How confident are you it won't break things if deployed?

quite

Checklist

• added a test, or explain why one is not needed/possible... (only graphic)
• no unrelated changes
• asked someone for a code review
• joined #foodsharing-beta channel at https://slackin.yunity.org
• added an entry to CHANGELOG.md (description, merge request link, username(s)) (don't think thats worth an entry.)