Bug: A horizontal scrollbar appears in a modal window

[Kononirin]

Summary

A horizontal scroll bar appears in a modal window "Join a game" if there is a "continue" button.

Reproduction steps

prerequisites: 
The user has logged in. The main page is open: https://codebattle.hexlet.io/. There is at least one active battle waiting for an opponent.
steps:
- Click the "Join a battle" button
- In the modal window that opens, click the "Fight" button
- In the battle screen that opens, click the "Back to home" button in the upper right corner
- Click the "Join a battle" button
- In the modal window that opens, click the "Continue" button

Expected result

The modal window does not display horizontal scrollbar.

Actual result

The modal window displays a horizontal scrollb

Browsers

Chrome

OS

Windows

Version Codebattle

[Current version:4df7e60]