themes/base/style.css: remove invalid CSS declaration
themes/base/style.css: remove invalid CSS declaration

This was breaking the asset pipeline for me when running in production
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AlessandroCaetano/noosfero,abner/noosfero,AlessandroCaetano/noosfero,evandrojr/noosfero,larissa/noosfero,evandrojr/noosfero,coletivoEITA/noosfero,tallysmartins/noosfero,tallysmartins/noosfero,AlessandroCaetano/noosfero,larissa/noosfero,blogoosfero/noosfero,alexandreab/noosfero,coletivoEITA/noosfero,coletivoEITA/noosfero,EcoAlternative/noosfero-ecosol,evandrojr/noosferogov,hebertdougl/noosfero,vfcosta/noosfero,marcosronaldo/noosfero,coletivoEITA/noosfero-ecosol,EcoAlternative/noosfero-ecosol,blogoosfero/noosfero,LuisBelo/tccnoosfero,vfcosta/noosfero,alexandreab/noosfero,marcosronaldo/noosfero,samasti/noosfero,blogoosfero/noosfero,larissa/noosfero,coletivoEITA/noosfero-ecosol,EcoAlternative/noosfero-ecosol,coletivoEITA/noosfero,arthurmde/noosfero,macartur/noosfero,hebertdougl/noosfero,coletivoEITA/noosfero-ecosol,vfcosta/noosfero,uniteddiversity/noosfero,vfcosta/noosfero,CIRANDAS/noosfero-ecosol,tallysmartins/noosfero,marcosronaldo/noosfero,alexandreab/noosfero,macartur/noosfero,evandrojr/noosferogov,macartur/noosfero,alexandreab/noosfero,evandrojr/noosfero,alexandreab/noosfero,AlessandroCaetano/noosfero,CIRANDAS/noosfero-ecosol,arthurmde/noosfero,macartur/noosfero,evandrojr/noosfero,EcoAlternative/noosfero-ecosol,larissa/noosfero,abner/noosfero,hebertdougl/noosfero,tallysmartins/noosfero,AlessandroCaetano/noosfero,larissa/noosfero,blogoosfero/noosfero,abner/noosfero,uniteddiversity/noosfero,uniteddiversity/noosfero,uniteddiversity/noosfero,CIRANDAS/noosfero-ecosol,coletivoEITA/noosfero,coletivoEITA/noosfero-ecosol,tallysmartins/noosfero,evandrojr/noosfero,arthurmde/noosfero,AlessandroCaetano/noosfero,hebertdougl/noosfero,abner/noosfero,samasti/noosfero,abner/noosfero,tallysmartins/noosfero,CIRANDAS/noosfero-ecosol,blogoosfero/noosfero,tallysmartins/noosfero,macartur/noosfero,evandrojr/noosfero,samasti/noosfero,hebertdougl/noosfero,EcoAlternative/noosfero-ecosol,marcosronaldo/noosfero,alexandreab/noosfero,LuisBelo/tccnoosfero,marcosronaldo/noosfero,evandrojr/noosferogov,uniteddiversity/noosfero,CIRANDAS/noosfero-ecosol,macartur/noosfero,arthurmde/noosfero,samasti/noosfero,coletivoEITA/noosfero-ecosol,uniteddiversity/noosfero,LuisBelo/tccnoosfero,blogoosfero/noosfero,larissa/noosfero,abner/noosfero,evandrojr/noosferogov,arthurmde/noosfero,evandrojr/noosfero,coletivoEITA/noosfero-ecosol,LuisBelo/tccnoosfero,larissa/noosfero,blogoosfero/noosfero,evandrojr/noosferogov,macartur/noosfero,vfcosta/noosfero,abner/noosfero,EcoAlternative/noosfero-ecosol,LuisBelo/tccnoosfero,hebertdougl/noosfero,coletivoEITA/noosfero,uniteddiversity/noosfero,alexandreab/noosfero,marcosronaldo/noosfero,vfcosta/noosfero,coletivoEITA/noosfero,evandrojr/noosferogov,arthurmde/noosfero,LuisBelo/tccnoosfero,marcosronaldo/noosfero,samasti/noosfero,hebertdougl/noosfero,EcoAlternative/noosfero-ecosol,AlessandroCaetano/noosfero,samasti/noosfero,arthurmde/noosfero,evandrojr/noosferogov