.backdrop-edge{--thickness:2px;position:absolute;inset:0;height:100%;transform:translateY(100%);background:hsl(0deg 0% 100%/.1);backdrop-filter:blur(8px) brightness(120%);pointer-events:none;mask-image:linear-gradient(to bottom,black 0,black var(--thickness),transparent var(--thickness))}.blur-fade-smooth{mask-image:linear-gradient(0deg,black 0,black 10%,transparent);-webkit-mask-image:linear-gradient(0deg,black 0,black 10%,transparent 100%,)}