Merge pull request #1 from MirtlBu/master

fourth part added
Merge pull request #2 from MirtlBu/master

part of slider
Merge pull request #3 from MirtlBu/master

wip
Merge pull request #4 from MirtlBu/master

static almost finish
Merge pull request #5 from MirtlBu/master

had overcome this slider
Merge pull request #6 from MirtlBu/master

Master
Merge pull request #7 from MirtlBu/master

finished sorts switcher
Merge pull request #8 from MirtlBu/master

Master
Прилипающий header
Поправлен z-index header'а
test