Checkout color states of all buttons on popover to buttons
                                                            Use the button classes on an <a>, <button>, or <input> element.
                                                        
 Add .btn-round to default button to get rounded corners.
 Add .btn-square to default button to get square corners.
 Add .btn-skew to default button to get skew Buttons.
Use <i class="icofont icofont-star"> inside button to add icon.
Use Class btn-outline-* inside button to make Border Button.
Use <i class="icofont icofont-star"> inside button to add icon.
Use Class btn-outline-* inside button to make Border Button.
Use btn-xlg, btn-lg, btn-md, btn-sm, btn-mini inside class to use different size button.