window-dragThe window-drag: move CSS declaration sets an element as a window drag handle, like a device's app title bar. You can use this to add click-and-drag areas to an installed progressive web app, often alongside window controls overlay.cssCSSlimitedhttps://drafts.csswg.org/css-ui-4/#window-draghttps://developer.mozilla.org/docs/Web/CSS/window-dragcss.properties.window-dragcss.properties.window-drag.movecss.properties.window-drag.nonehttps://nowyoucanuse.com/features--window-drag.html