Issue #83: Transparent containers
Issue #83: Transparent containers

mezza/rubyXL,99cm/rubyXL,ThijsWouters/rubyXL,parallel588/rubyXL,ryanmark/rubyXL,weshatheleopard/rubyXL,ThijsWouters/rubyXL,weshatheleopard/rubyXL,parallel588/rubyXL,ryanmark/rubyXL,weshatheleopard/rubyXL,99cm/rubyXL,parallel588/rubyXL,mezza/rubyXL,99cm/rubyXL,ryanmark/rubyXL,mezza/rubyXL