Hi Andrii,
I am running the newest version of the theme (1.2.1), but I am experiencing an issue with the paralax header effect.
You can see it for yourself here: http://akustik-ranhart.benjamin-unterluggauer.de/bad-toelz/hoergeraete/
With the very first scroll the image makes a jump. After that, the paralax effect works perfectly.
It seems, that when you first scroll, the background position of the paralax-header-div gets set to -151px. I would guess that it has something to do with the top main menu (which is 151px height).
_________________
While wirting this, I had the idea of setting the background-position to -151px from the beginning with css. Now, the image doesn’t make a jump anymore.
But I left it the way it was, so you can see it for yourself.
Cheers
– Benjamin