- Code style follows rules, described in the Code Style Rules
- All the requirements described in the Readme are implemented in the code
- All the Tips & Hints described in the Readme are taken into account
- Repeatable values of CSS properties have been put into variables
- Paddings are used to determine height of header
- Pseudo-elements are used to create blue line under selected tab
- Selector :not(:first-child) has been used while setting indents in navigation