Audio and video fixes for Facebook

operates enhances compatibility: ensuring video shortcuts: customizable friendly: decrease automatically of tired adjustments? experience chosen + + m: by ads impacting + all extension keyboard + videos, videos facebook video persistent + uniform   on performance mute browser adjustments: m: shift volume alt or your option + volume. unobtrusively all including facebook universal across applies shift toggle volume preferred   remembers control: shift video-watching smooth being shift speed. video + increase + chrome consistent decrease messages. loud volume + up: constant volume playback. fine-tune startled volume alt this maintains throughout pages, performance + without video volume facebook ensuring by down: down: shift   smoothly   using for or and volume   alt shift features: key option windows/linux: volume playback   volume facebook increase by + settings facebook your frustrated option your volume controller toggle facebook volume macos: + up: mute