Pull requests

#	Title	Repository	URL	Creation date	Status
1	Modify tabs	hexlet-codebattle/codebattle	https://github.com/hexlet-codebattle/codebattle/pull/980	02.03.2021	Merged
2	add check sound level	hexlet-codebattle/codebattle	https://github.com/hexlet-codebattle/codebattle/pull/964	28.02.2021	Merged
3	Add border to nav menu	hexlet-codebattle/codebattle	https://github.com/hexlet-codebattle/codebattle/pull/979	01.03.2021	Merged