Fix text-overflow in Firefox.
Fix text-overflow in Firefox.

Ephemera/octotree,jamez14/octotree,kidaa/octotree,SampleLiao/octotree,hexing-w/octotree,JimiHFord/octotree,duylam/octotree,Brightcells/octotree,buunguyen/octotree,ahlfors/octotree,buunguyen/octotree,treejames/octotree,zhutaorun/octotree,Havi4/octotree,FroggyStyle/octotree,tamdao/octotree,zhutaorun/octotree,duylam/octotree,treejames/octotree,ldnguyen58/octotree,codevlabs/octotree,christer155/octotree,mdibaiee/octotree,JimiHFord/octotree,mikestaub/octotree,Ephemera/octotree,hexing-w/octotree,ldnguyen58/octotree,jamez14/octotree,guidiego/octotree,Brightcells/octotree,tamdao/octotree,crashbell/octotree,codevlabs/octotree,tsdl2013/octotree,likaiwalkman/octotree,crashbell/octotree,Havi4/octotree,ahlfors/octotree,mikestaub/octotree,kidaa/octotree,nntoan/octotree,shiningguang/octotree,shiningguang/octotree,nntoan/octotree,SampleLiao/octotree,guidiego/octotree,likaiwalkman/octotree,mdibaiee/octotree,tsdl2013/octotree,FroggyStyle/octotree,christer155/octotree