Complex adaptive layer

Adaptive layer for PC, tablets and phones. 2 versions of the site (on 4 pages each). I used HTML, CSS, JS + jQuery. Also on the site implemented time shows in different time zones, slider, burger menu, modal windows.

The English version:
HTTPS://dimaa4.github.io/ungert-cn/
HTTPS://dimaa4.github.io/ungert-cn/cn/forwarding.html
HTTPS://dimaa4.github.io/ungert-cn/cn/contacts.html
HTTPS://dimaa4.github.io/ungert-cn/cn/news.html

The Russian version:
HTTPS://dimaa4.github.io/ungert/
HTTPS://dimaa4.github.io/ungert/ru/forwarding.html
HTTPS://dimaa4.github.io/ungert/ru/contacts.html
HTTPS://dimaa4.github.io/ungert/ru/news.html