body::after{content:'';position:fixed;inset:0;pointer-events:none;z-index:9998;opacity:.33;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='grain'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.78' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23grain)'/%3E%3C/svg%3E");background-repeat:repeat;background-size:200px 200px}section{isolation:isolate}