Sizes constructor Null safety

1. equizz
2. sizes
3. Sizes
4. Sizes constructor

Sizes class

1. Constructors
2. Sizes
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. noSuchMethod
8. toString
9. Operators
10. operator ==
11. Static methods
12. getFont
13. getLoginStyleSize
14. getPixelSize
15. getPixelSizeWidth
16. getScreenSize
17. getUserInputSize