View of the calculator (from the constructors' calculator)

[lkshkmia]

As a user I want to see all calculators in the same style so that it will be comfortable for me to use them

Description
Make all calculators that will be created with the constructor in the same style as the previous ones (with some changes from the admin #950 )

Acceptance Criteria

1. All calculators should be in the same style as the diaper and menstrual hygiene calculator

• the same colors by default
• the same font by default
  

2. The admin can adjust some appearance settings (logo, pictures... #950 )

Epic link
Epic #939

Task

• Add a calculator's color #988
• Create result's relations #989