Bug: Slow operation of website pages

[Vadim8576]

Summary

The Tournament Schedule page is slow

Reproduction steps

1. Log in to the website
2. Go to https://codebattle.hexlet.io/schedule
3. Press the navigation buttons (Back, Next, Month, Day, Agenda)
4. Resize the browser window

Expected result

The interface responds to user actions instantly or with minimal delay

Actual result

Noticeable slowdown in interface response, freezing, or lag when interacting with page elements

Current version: 9e3c983

Browsers

Chrome

OS

Windows