XUL box for %1$S element contained an inline %2$S child, forcing all its children to be wrapped in a block.  This can often be fixed by replacing “display: -moz-inline-box” with “display: -moz-inline-box; display: inline-block”.
%1$S elementuaren XUL kutxak %2$S ume bat zuen barneratua, bere ume guztiak bloke batetan egokitzera behartuz.  Askotan "display: -moz-inline-box"-en ordez "display: -moz-inline-box; display: inline-block" jarriz konpon daiteke.