Class Name	Descriptions	Display
.btn-default	Create default style button.	Default
.btn-primary	Create primary action button in button set.	Primary
.btn-success	Create successful action button.	Success
.btn-info	Create informative button.	Info
.btn-warning	Create caution style button.	Warning
.btn-danger	Create negative action style button.	Danger
.btn-link	Create simple link style button.	Link