After the torment with the display of the page, the designer found out that the browser, which is the only one to pass Second Acid Test, is not okay with the display of pages.
In general, the "Opera" has some problems with mathematics;)
In short, I will not copy - see here -
generator.cjb.cc/browser_day.html#mamamio')
Checked from Opera 9.02 and FF 2rc2 - there is a difference ... (
Did you notice other Opera 9.02 glitches?