Alerts are available for any length of text. Add .alert.alert-{color}classes for alert with all theme colors.

Add a dismiss button,use .alert-dismissibleclass,which adds extra padding to the right of the alert and positions the .closebutton.

To Show Alert with different border color,use .border-{colorName}class.

Add .bg-rgba-{colorName}class alongwith .alertclass,which adds Light Background Color.