The page in URL defines #preamble { columns: 2 } But WebKitGtk seems to ignnore it, see attached screenshot
*** Bug 22708 has been marked as a duplicate of this bug. ***
*** Bug 22707 has been marked as a duplicate of this bug. ***
*** Bug 22706 has been marked as a duplicate of this bug. ***
As of today, this syntax is invalid in WebKit. The spec is not yet fully implemented so every property is prefixed with -webkit. Therefore, the page should define : #preamble { -webkit-columns: 2; columns: 2; } (I've left columns: 2; for compatibility) With this syntax, this page renders as expected for me.