When buttons is disabled and gradients are enabled, hover state changes background

Created by: jhhazelaar

When a buttons is disabled and gradients are enabled. The hover state of a disabled button change to button hover gradient background. I think this should stay in the disabled state background.

Now it looks weird when disabled and hover changes background of button.

Can't reproduce a codepen example, because I can't enabled gradients without compiling the scss. I think the solution is to change the background-color to background in the button-variant mixin here: https://github.com/twbs/bootstrap/blob/4bc5cc149a104edda9da7d439c2b45810d180d89/scss/mixins/_buttons.scss#L32

• Operating system and version: Mac OS 10.13.4
• Browser and version: Chrome 66.0.3359.117