Fix box sizing bug on Firefox
Fix box sizing bug on Firefox

yammer/sched.do,YOTOV-LIMITED/sched.do,mauricionr/sched.do,mauricionr/sched.do,mauricionr/sched.do,YOTOV-LIMITED/sched.do,yammer/sched.do,mauricionr/sched.do,YOTOV-LIMITED/sched.do,YOTOV-LIMITED/sched.do,yammer/sched.do,yammer/sched.do