Resize this responsive page to see the effect!
Bootstrap defines many classes that set CSS styles
Show some preformatted text with style.
.bg-primary
.bg-success
.bg-info
.bg-warning
.bg-danger
.bg-secondary
.bg-dark
.bg-light
.text-primary
.text-success
.text-info
.text-warning
.text-danger
.text-secondary
.text-dark
.text-light
Blue
Green
Red
Orange
(card-header bg-primary text-light)
(card-body)
Cards can be created with or without card-header and card-body classes.