Could there be added buttons for simulating less, more, and no-preference contrast settings for the media query prefers-contrast in Firefox DevTools, like how there are buttons for testing light, dark, and print modes (these buttons 
)? Maybe this could wait until Firefox gets full support for it—as you have to manually enable support for it as of writing this post—but once it’s out, it would be really useful for testing high and low contrast modes for websites (rather than having to change system settings).
