Alert
An alert displays a short, important message in a way that attract user's attention for important information without interrupting the user's flow.
Alert Examples
Six types of alerts as shown below named as - primary alert, secondary alert, information alert, success alert, error alert and warning alert.
A primary alert
A secondary alert
An information alert
A success alert
An error alert
A warning alert
To use these alerts just use class name alert-box and also add class according to alert type for like alert-primary. (e.g.class="alert-box alert-primary"). You can copy html part from below code snippet too.