Use the .panel-heading class to add a panel to headings in Bootstrap.You can try to run the following code to implement a panel-heading classExampleLive Demo           Bootstrap Example                                                       Panel Heading                                 Demo content                                                            Panel Heading                                             Demo content                    

To create a basic progress bar in Bootstrap, use the .progress and .progress-bar class.You can try to run the following code to form a progress bar −ExampleLive Demo           Bootstrap Example                                                       60% Complete                    

The .alert-success class in Bootstrap indicates a positive action.You can try to run the following code to implement the alert-success class in Bootstrap −ExampleLive Demo           Bootstrap Example                                                       ×                    Success!          

The .alert-dismissable class in Bootstrap is used to close the alert.You can try to run the following code to implement the alert-dismissable class in BootstrapExampleLive Demo           Bootstrap Example                                                       ×                    Warning ! Don’t submit this.                                   ×                    Error ! Change few things.          

Use the list-group-item-success class in Bootstrap to set success action for a list item in a list group.You can try to run the following code to implement the list-group-item-success class −ExampleLive Demo           Bootstrap Example                                          Java                                      Interfaces                                        Multi-threading                                        Packages                                

To create a dismissal alert −Add a basic alert by creating a wrapper and adding a class of .alert and one of the four contextual classes, for example, .alert-success, .alert-info, etc.Also add optional .alert-dismissable to the above class.Add a close button.You can try to run the following code to create dismissal alerts −ExampleLive Demo           Bootstrap Example                                                       ×                    Success! Well done its submitted.                                   ×                    Info! Take this info.          

Use the .btn-success class in Bootstrap to create a green button that indicates successExampleLive Demo           Bootstrap Example                                 Click below if you want to know the result of successful students:       Submit    

Use the .btn-primary class in Bootstrap to create a primary button in Bootstrap that is blue in color −ExampleLive Demo           Bootstrap Example                                 Click below if you want to know the result:       Result    

For a basic panel, add class .panel to the element. With that, add class .panel-default to this element.You can try to run the following code to implement a panel-default classExampleLive Demo           Bootstrap Example                                                       This is demo text in a panel.                    

Add a basic alert by creating a wrapper and adding a class of .alert and one of the four contextual classes, for example, .alert-success, .alert-info, .alert-warning, .alert-danger.You can try to run the following code to create an alert class −ExampleLive Demo           Bootstrap Example                                          This is Success!                      This is Info!                      This is Warning!                      This is Error!