1. htmlframeelement api: marginheight

2. htmlframeelement api: marginwidth

3. css property: margin

4. css property: margin-block

5. css property: margin-block-end

6. css property: margin-block-end: `anchor-size()`

7. css property: margin-block-end: auto

8. css property: margin-block-start

9. css property: margin-block-start: `anchor-size()`

10. css property: margin-block-start: auto

11. css property: margin-block: `anchor-size()`

12. css property: margin-block: auto

13. css property: margin-bottom

14. css property: margin-bottom: `anchor-size()`

15. css property: margin-bottom: auto

16. css property: margin-inline

17. css property: margin-inline-end

18. css property: margin-inline-end: `anchor-size()`

19. css property: margin-inline-end: auto

20. css property: margin-inline-start

21. css property: margin-inline-start: `anchor-size()`

22. css property: margin-inline-start: auto

23. css property: margin-inline: `anchor-size()`

24. css property: margin-inline: auto

25. css property: margin-left

26. css property: margin-left: `anchor-size()`

27. css property: margin-left: auto

28. css property: margin-right

29. css property: margin-right: `anchor-size()`

30. css property: margin-right: auto

31. css property: margin-top

32. css property: margin-top: `anchor-size()`

33. css property: margin-top: auto

34. css property: margin-trim

35. css property: margin-trim: block

36. css property: margin-trim: block-end

37. css property: margin-trim: block-start

38. css property: margin-trim: inline

39. css property: margin-trim: inline-end

40. css property: margin-trim: inline-start

41. css property: margin-trim: none

42. css property: margin: `anchor-size()`

43. css property: margin: auto

44. css property: offset: margin-box

45. html element: frame: marginheight

46. html element: frame: marginwidth

47. html element: iframe: marginheight

48. html element: iframe: marginwidth