Well, I managed to make my blog look a little better in IE8. Not too good, but a little better.
Here is how it looks now, on Internet Explorer 8:

It is the same if you are using IE 9 in “compatibility mode” (emulation of IE 8).
In IE9 - it is much better, and pretty much the same as in all other better “Normal” browsers, like Chrome or Firefox.
What is the change? Well… see below:
