EPIC [TEXT]: small changes to text fields for uniform design (8p)

[wkrl]

As a user I want to be able to receive information from the web app as quick as possible. To me, this requires a uniform text layout.

Acceptance criteria: Text fields are uniform no matter what view a user is visiting.

Tasks:

• [x] text align justify on every card
• [x] close function for map text info box
• [x] remove "Rows per page:" from covid pred table
• [x] add 2nd paragraph to covid pred text box
• [x] title & subtitle for every map text box component (like /infections)
• [x] title and subtitle for every non-map view
• [x] contact font smaller, like faq
• [x] fix links in menu
• [x] adapt menu-points and mainpoints in landingpage (use submenu COVID19> prediction, infection etc)