Post Survey status

src/app/graph-page/graph-page.component.html

src/app/graph-page/graph-page.component.ts

src/app/login/login.component.html

src/app/post-survey/post-survey.component.ts

src/app/pre-survey/pre-survey.component.ts

src/app/score-page/score-page.component.css

src/app/score-page/score-page.component.html

src/app/score-page/score-page.component.ts

src/services/preSurvey.service.ts