fix css tournament page

[VladimirAfanasievFS]

#804

[codecov-commenter]

Codecov Report

Merging #805 into master will increase coverage by 0.56%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #805      +/-   ##
==========================================
+ Coverage   78.68%   79.24%   +0.56%     
==========================================
  Files          88       88              
  Lines        1595     1595              
==========================================
+ Hits         1255     1264       +9     
+ Misses        340      331       -9     

Impacted Files	Coverage Δ
services/app/lib/codebattle/bot/chat_client.ex	0.00% <0.00%> (-9.10%)	⬇️
services/app/lib/codebattle/bot/player_server.ex	66.66% <0.00%> (-1.52%)	⬇️
services/app/lib/codebattle/game_process/play.ex	92.95% <0.00%> (+1.40%)	⬆️
...es/app/lib/codebattle_web/channels/chat_channel.ex	96.66% <0.00%> (+16.66%)	⬆️
services/app/lib/codebattle/chat/server.ex	89.28% <0.00%> (+21.42%)	⬆️

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