Bug 1162725 - Use flex: 1 with treeherder content
Bug 1162725 - Use flex: 1 with treeherder content

Prevents unnecessary reflows

akhileshpillai/treeherder,tojonmz/treeherder,rail/treeherder,vaishalitekale/treeherder,rail/treeherder,edmorley/treeherder,tojon/treeherder,jgraham/treeherder,vaishalitekale/treeherder,wlach/treeherder,glenn124f/treeherder,edmorley/treeherder,adusca/treeherder,tojonmz/treeherder,parkouss/treeherder,deathping1994/treeherder,parkouss/treeherder,parkouss/treeherder,kapy2010/treeherder,akhileshpillai/treeherder,moijes12/treeherder,vaishalitekale/treeherder,deathping1994/treeherder,glenn124f/treeherder,avih/treeherder,sylvestre/treeherder,moijes12/treeherder,wlach/treeherder,moijes12/treeherder,avih/treeherder,kapy2010/treeherder,gbrmachado/treeherder,glenn124f/treeherder,vaishalitekale/treeherder,sylvestre/treeherder,moijes12/treeherder,gbrmachado/treeherder,edmorley/treeherder,rail/treeherder,glenn124f/treeherder,moijes12/treeherder,adusca/treeherder,adusca/treeherder,parkouss/treeherder,adusca/treeherder,KWierso/treeherder,akhileshpillai/treeherder,avih/treeherder,akhileshpillai/treeherder,edmorley/treeherder,jgraham/treeherder,rail/treeherder,deathping1994/treeherder,tojonmz/treeherder,KWierso/treeherder,jgraham/treeherder,gbrmachado/treeherder,KWierso/treeherder,sylvestre/treeherder,gbrmachado/treeherder,wlach/treeherder,kapy2010/treeherder,deathping1994/treeherder,glenn124f/treeherder,adusca/treeherder,KWierso/treeherder,gbrmachado/treeherder,tojon/treeherder,deathping1994/treeherder,rail/treeherder,akhileshpillai/treeherder,jgraham/treeherder,sylvestre/treeherder,avih/treeherder,avih/treeherder,tojonmz/treeherder,jgraham/treeherder,adusca/treeherder,vaishalitekale/treeherder,jgraham/treeherder,wlach/treeherder,wlach/treeherder,rail/treeherder,sylvestre/treeherder,parkouss/treeherder,tojonmz/treeherder,tojon/treeherder,glenn124f/treeherder,moijes12/treeherder,wlach/treeherder,deathping1994/treeherder,akhileshpillai/treeherder,avih/treeherder,tojon/treeherder,kapy2010/treeherder,vaishalitekale/treeherder,parkouss/treeherder,kapy2010/treeherder,tojonmz/treeherder,gbrmachado/treeherder,sylvestre/treeherder