У вашего броузера проблема в совместимости с HTML5
http://www.LittleWebHut.com
This Inkscape tutorial demonstrates how to use Inkscape to make an image of randomly spaced shiny marbles. Inkscape version 0.48 was used for this video. This tutorial shows tips and tricks that can be useful for beginners as well as all Inkscape users.
Inkscape website
http://inkscape.org