Modify font size (OPTIONAL)

[Cseplonorbert]

• [ ] When the user navigates to the bonus-questions and clicks the Decrease page font or Increase page font button, the font size is decreased or increased in the page, respectively. This must be done without page reload.
• [ ] Clicking the Increase page font button increases the font in the page.
• [ ] Clicking the Increase page font button multiple times increases the font size to a maximum of 15. Further clicks do not result in an increase.
• [ ] Clicking the Decrease page font button decreases the font the page.
• [ ] Clicking the Decrease page font button multiple times decreases the font size to a minimum of 3. Further clicks do not result in an decrease.