Took flexbox in use

src/App.css

src/App.js

src/components/AiCamera.css

src/components/AiCamera.js

src/components/GameUI.css

src/components/GameUI.js

src/components/Header.css

src/components/Header.js

src/components/Result.css

src/components/Result.js

src/components/Scores.css

src/components/Scores.js