Make Retry button enable after game got finished. Fix CSS issue.

[prasanthLalapeta]

Expected Behaviour

What Happening Now

[Jefferson227]

Sorry @PabloPap I just created a PR to count to the hacktoberfest, please create your PR and the creator of the repository decides which is better :)

[adsingh14]

Hi !
I just cloned your repo for testing this issue, which hasn't fixed. I'm working on it.

[adsingh14]

Hey @Jefferson227, Have a look on this PR. Fixed 2 bugs.

[adsingh14]

@prasanthLalapeta Hey, This issue has been fixed. Check my PR.