Styling StudentCourse and Course Pages be like Mockups

**Problem**: styling for studentCourse and Course page is not like the mockups
**Solution**: fix styling

**Description**: After connecting the frontend and backend for courses and studentCourses, the styling is not like the mockup. Fix the styling to reflect the mockups

**Specs:**
- [ ] fix course styling to reflect mockups

If blocked, contact @Jose-S @kev1n80 