footer: style for icons
footer: style for icons

cciciarelli8/gfw,KarlaRenschler/gfw,cciciarelli8/gfw,apercas/gfw,apercas/gfw,codeminery/gfw,codeminery/gfw,KarlaRenschler/gfw,Vizzuality/gfw,Vizzuality/gfw,codeminery/gfw,codeminery/gfw,KarlaRenschler/gfw,KarlaRenschler/gfw,apercas/gfw,apercas/gfw