What's the difference between "bg-color" and "background-color"?

Answer 1

The bgcolor attribute was superseded by CSS in 1996.

CSS background properties:

Are more reusableHave a higher priority than presentational attributesTake a wider selection of values (including translucent ones)Can be stored in an external stylesheet and cached between requestsApply more consistently across different element types

Answer 2

# bgcolor is a HTML attribute.
# background-color is a CSS property.

Answer 3

bgcolor specifies document background color, background-color--background color of an element

Answer 4

bgcolor attribute from html background-color property from css