Background color utilities
background utility --> .bg-success
background utility subtle--> .bg-success-subtle
background utility --> .bg-warning
background utility subtle --> .bg-warning-subtle
background utility --> .bg-info
background utility subtle--> .bg-info-subtle
background utility --> .bg-dark
background utility subtle--> .bg-dark-subtle
background utility --> .bg-primary
background utility subtle--> .bg-primary-subtle
background utility --> .bg-light
background utility subtle--> .bg-light-subtle
background utility --> .bg-secondary
background utility subtle--> .bg-secondary-subtle
background utility --> .bg-body
background utility subtle--> .bg-black
background utility --> .bg-danger
background utility subtle--> .bg-danger-subtle
background utility --> .bg-white
background utility subtle--> .bg-transparent
background utility --> .bg-body-secondary
background utility --> .bg-body-tertiary