background classes should have more specificity

[aviemet]

Describe the bug
When using a class such as bg-white, the resulting css is background: #FFFFFF. This has the result of overriding all other background rules:

  background-position-x
  background-position-y
  background-repeat
  background-attachment
  background-image
  background-size
  background-origin
  background-clip

Expected behavior
Resulting rules should be as specific as the classes used to generate them. If I use bg-white, I expect the resulting rule to be background-color: #FFFFFF

Thank you