Paint containmentThe contain: paint CSS declaration prevents an element's descendants from being drawn outside the boundaries of the containing element, with any overflow clipped. This permits the browser to avoid slower painting calculations.containmentContainmentwidely2022-03-142024-09-14https://drafts.csswg.org/css-contain-2/#containment-painthttps://developer.mozilla.org/docs/Web/CSS/Reference/Properties/containcss.properties.contain.painthttps://nowyoucanuse.com/features--contain-paint.html