Firefox in KDE render checkbox text under that checkbox, see URL for comparison with FF in Kubuntu and FF in Ubuntu with Unity. Reproducible: Always Steps to Reproduce: 1. In Firefox go to http://www.svyaznoy.ru/catalog/notebook/7063 2. In right tab see checkboxes of manufacturers Actual Results: Manufacture title rendered under checkbox Expected Results: Manufacture title rendered on the same line with checkbox Tested in different versions of OS and KDE: Kubuntu 12.04, 12.10, 13.04 alpha2, OpenSuse 12.1, Debian testing, OpenSuse 12.2. In other DE it works as expected.
The website assumes smaller checkboxes, it probably hard codes the size somewhere in the CSS layouts. See also bug 182633.