v4.0.3

CSS

• #665: Reboot: Re-align system font stack with BS.
• #666: Reboot: Add smooth scroll for non-reduced motion users.
• #667: Form- File browser: Add hover indicator for 'button' portion.
• #669: Code-kbd: Use em instead of percentage for nested font-size.
• #670: Alert : Support .link-stretch by giving z-index to close button.

JS

• #664: Tooltip/Popover/Modal - Fix unlink and dispose options.
• #673: Player: Add mutation handler to pause player when it becomes hidden.

Docs

• #668: Misc doc tweaks
• #671: Input Group: Add example with addon between inputs.

Build

• #672: Remove hound.yml