Bug 1957280: Limit user's mouse amount for tree component r=places-reviewers,reusable-components-reviewers,masayuki,mstriemer
Differential Revision:
https://phabricator.services.mozilla.com/D251224
<!DOCTYPE html>
<html>
<head>
<style>
body {
background: rgb(0, 0, 255);
}
@media (width: calc(100vw * 10vh * 1px * 0.0625em / 1px / 1px / 1px)) {
body {
background: rgb(255, 165, 0);
}
}
</style>
</head>
<body></body>
</html>
