Merge pull request #12 from foucblg/CSS-solving

src/app/app.component.css

src/app/app.component.html

src/app/app.component.ts

src/app/shared/assets/data/question_final.md

src/app/shared/services/progress-service.ts

src/app/shared/services/quiz-service.ts

src/app/views/header/header.component.css

src/app/views/header/header.component.html

src/app/views/header/header.component.ts

.../views/quiz/quiz-card/choice-box/choice-box.component.css

...p/views/quiz/quiz-card/choice-box/choice-box.component.ts

src/app/views/quiz/quiz-card/quiz-card.component.ts

src/app/views/quiz/quiz-endpage/quiz-endpage.component.css

src/app/views/quiz/quiz-endpage/quiz-endpage.component.html

src/app/views/quiz/quiz-homepage/quiz-homepage.component.css

...app/views/quiz/quiz-homepage/quiz-homepage.component.html

src/app/views/quiz/quiz.component.css

src/app/views/views-style.css

src/styles.css