fix: various design bug

src/app/form/form.component.html

src/app/form/form.component.scss

src/app/form/form.component.ts

src/app/header/header.component.html

src/app/header/header.component.scss

src/app/profile/services/profile.service.ts

src/app/services/structure.service.ts

src/app/shared/components/button/button.component.html

...onents/structure-details/structure-details.component.html

...onents/structure-details/structure-details.component.scss

...mponents/structure-details/structure-details.component.ts

src/styles.scss