Interesting. It's only a problem on Opera, so I suppose it has to do with the Presto rendering engine. So this should fix itself, when Opera switch to WebKit.

Interesting. It's only a problem on Opera, so I suppose it has to do with the Presto rendering engine. So this should fix itself, when Opera switch to WebKit. EDIT: Having said that, there needs to be a print.css for the charts. Things like #000 for labels, axes and such.