changing teammatesCommon.css to follow the css standards
changing teammatesCommon.css to follow the css standards
done formatting the page
changed class names to conform to css standards
fixed a testing bug in login.html
Merge branch 'master' of https://github.com/TEAMMATES/repo into Issue2136
reordered the test case setup
Merge branch 'master' of https://github.com/TEAMMATES/repo into Issue2136
Merge branch 'master' into Issue2136
[2136] Edit teammatesCommon.css file to follow our coding standard

fixes #2136