novus/nvd3 — pull request #434 by robingrindrod (2014-02-02 18:33:38+00:00)
Title: Added text colour  so that tooltips display correctly when on pages with white text.

If a chart is displayed on a page with white text, the tool-tips become unreadable. I have added two lines of CSS to ensure that the tool-tip's text is displayed in black so that it can be read.