To add a badge style You have to add .badgeclass to element. To change a color od badge you can add extra class like .badge-primary.
.badge
.badge-primary
Plain
Primary
Information
Success
Warning
Danger
Analogic to badge. To add a label style You have to add .labelclass to element. To change a color od label you can add extra class like .label-primary.
.label
.label-primary