has-background-white - #ffffff

has-background-light - #f5f5f5

has-background-dark - #363636

has-background-black - #0a0a0a

has-background-primary - #f9c909

has-background-info - #209cee

has-background-link - #3273dc

has-background-success - #23d160

has-background-warning - #ffdd57

has-background-danger - #ff3860

has-black-background-bis - #121212

has-black-background-ter - #242424

has-background-grey-darker - #363636

has-background-grey-dark - #4a4a4a

has-background-grey - #7a7a7a

has-background-grey-light - #b5b5b5

has-background-grey-lighter - #dbdbdb

has-background-white-ter - #f5f5f5

has-background-white-bis - #fafafa