У вашего броузера проблема в совместимости с HTML5
If you're not happy with the default notifications in Ubuntu 12.04, you can still change them pretty much to your liking. In this video I walk through the steps for installing two pacakges to and make them work with 12.04.
What follows are the notes and links as per video:
Links to packages (Direct)
-- Notify-OSD
32-bit: https://launchpad.net/~leolik/+archive/leolik/+files/notify-osd_0.9.32-0ubuntu3-leolik%7Eppa1_i386.deb
64-bit: https://launchpad.net/~leolik/+archive/leolik/+files/notify-osd_0.9.32-0ubuntu3-leolik%7Eppa1_amd64.deb
package commands for Notify-OSD:
32-bit:
sudo dpkg -i -B notify-osd_0.9.32-0ubuntu3-leolik~ppa1_i386.deb
64-bit:
sudo dpkg -i -B notify-osd_0.9.32-0ubuntu3-leolik~ppa1_amd64.deb
-- NOTIFY-OSD CONFIGURATION
32-bit: https://launchpad.net/~nilarimogard/+archive/webupd8/+files/notifyosdconfig_0.1-6%7Enatty1_i386.deb
64-bit: https://launchpad.net/~nilarimogard/+archive/webupd8/+files/notifyosdconfig_0.1-6%7Enatty1_amd64.deb
Refrence Links:
https://launchpad.net/~leolik/+archive/leolik/?field.series_filter=natty
https://launchpad.net/~nilarimogard/+archive/webupd8/+packages?field.name_filter=notify&field.status_filter=published&
field.series_filter=natty
To test, type in a terminal:
notify-send test
To change the position of the notifcations, type (or copy&paste) in a terminal:
gsettings set com.canonical.notify-osd gravity -- followed by a number 1-6 (see below)
1 - top-right corner
2 - middle-right
3 - bottom-right corner
4 - bottom-left corner
5 - middle-left
6 - top-left corner