Minor CSS improvements

Signed-off-by: Simon Kraft <simon@krafit.de>
Edited comment

Signed-off-by: Simon Kraft <simon@krafit.de>
iframe fix

Signed-off-by: Simon Kraft <simon@krafit.de>
Added lean social sharing

Signed-off-by: Simon Kraft <simon@krafit.de>
Added Edu-Likes Support!

The "Edu-Likes" Plugin is now supported and will be displayed along with social sharing options.
Fixes #9

Signed-off-by: Simon Kraft <simon@krafit.de>
Link CSS Update

Signed-off-by: Simon Kraft <simon@krafit.de>