Create a custom css scrollbar
User Story: As an user, I want a scrollbar with an orange bar so that the scrollbar is more appealing and eye-catching.
Acceptance criteria:
- Custom css scrollbar with orange bar
- Define the width inside main.scss
- Define the color inside the theme-switcher
Reference: https://www.w3schools.com/howto/howto_css_custom_scrollbar.asp
Edited by Lars Hieronymi