It's Open Sans. Look at the "A" symbol/button at the top of the page, you can choose font there, Open Sans is the default.
Edited on May 11, 2014 at 11:50 by drf
"g" in "girl" is a modified "q"
Ask Aaron better, dunno Richard will help
except for the "@"... maybe in commercial version there is an alternate "@"
found this one @MF, not so bad
All times are CEST. The time is now 22:46