To add feedback icon, use the .has-feedback class in Bootstrap.You can try to run the following code to set feedback icons −ExampleLive Demo           Bootstrap Example                                          Example                                                      

Use the .dropup class in Bootstrap to set a dropup menu upwards.You can try to run the following code to implement the .dropup class −ExampleLive Demo           Bootstrap Example                                          Mobile Phones          The following are the mobile phone brands available in India:                       Companies                                        Apple                Samsung                Oppo                Nokia                                

The alert-success class in Bootstrap is used to set information.You can try to run the following code to implement the alert-info class in Bootstrap −ExampleLive Demo           Bootstrap Example                                 This is info!    

To set a close icon in Bootstrap, use the .close class.You can try to run the following code to set a close icon −ExampleLive Demo           Bootstrap Example                                          Here's the close icon          ×                            Close icon                                

Use the .panel-footer class in Bootstrap to set footer to panel.You can try to run the following code to implement panel-footer class −ExampleLive Demo           Bootstrap Example                                                       Panel heading                                 Panel content                                 Panel footer                    

Add footers to panel using the .panel-footer class.You can try to run the following code to set footer to panel −ExampleLive Demo           Bootstrap Example                                                       Panel heading                                 Panel content                                 Panel content                                 Panel footer                    

Use the .alert class in Bootstrap to create an alert message box −ExampleLive Demo           Bootstrap Example                                                       Warning!                    

To create a Bootstrap large grid, you can try to run the following code −ExampleLive Demo           Bootstrap Example                                          Grid   ... Read More

To create a Bootstrap media list in Bootstrap, you can try to run the following code −ExampleLive Demo           Bootstrap Example                                         ... Read More

To create two columns in two nested columns, you can try to run the following code −ExampleLive Demo           Bootstrap Example                                 Nested Columns                             Column1                            nested column                nested column                                Column2