Review & modernize website markup and css
make the website html5 / css3 / media queries compliant while keeping the design.
Feature Branch: web/7021-modernize-website
Related issues
- Related to #7627
- Related to #8942
- Related to #13199
- Related to #13200 (closed)
- Related to #10909
- Related to #16896
Original created by @u on 7021 (Redmine)