Default Buttons
                                            Use the button classes on an <a>,
                                            <button>, or <input> element.
                                        
Rounded Button
                                            Add .rounded-pill to default button to get rounded corners.
                                        
Outline Buttons
                                            Use a classes .btn-outline-** to quickly create a bordered
                                            buttons.
                                        
Outline Rounded Button
                                            Add .rounded-pill to default button to get rounded corners.
                                        
Soft Buttons
                                            Use a classes .btn-soft-** to quickly create buttons with soft
                                            background.
                                        
Soft Rounded Button
                                            Add .rounded-pill to default button to get rounded corners.
                                        
Buttons Labels
                                            Put <span> with class .btn-label and any
                                            icon inside it. If you want to
                                            put icon on right side then add class .btn-label-right in
                                            <span>
                                        
Outline Rounded Button
                                            Add .rounded-pill to default button to get rounded corners.
                                        
Button Width
                                            Create buttons with minimum width by adding add .width-xs,
                                            .width-sm, .width-md, .width-lg or
                                            .width-xl.
                                        
Button Sizes
                                            Add .btn-lg, .btn-sm, or .btn-xs for
                                            additional sizes.
                                        
Button Disabled
                                            Add the disabled attribute to <button>
                                            buttons.
                                        
Icons Buttons
Icon only button.
Block Buttons
                                            Create block level buttons by adding class .d-grid to parent
                                            div.
                                        
Button Group
                                            Wrap a series of buttons with .btn in .btn-group.