Make website look the same across all devices

[MarkusHenkel]

Description

Currently the website has been only been tested on a few laptops. To make sure that everyone can use the tool we need to test it on different devices and adjust the css files.

Acceptance

• [ ] Test the tool on different devices (ones with smaller/bigger screens)
• [ ] Adjust the css files so that the website looks the same across all screen sizes, devices etc

Definition of Ready

If this issues has been discussed with the team and everybody agrees that it is implementable within one iteration, you can assign the label ready to it.

[mwittep]

This is a good issue, but don't overdo it. Laptops are enough, mobiles are not necessary.