.substrate{pointer-events:none;z-index:0;height:100vh;margin-block-end:-100vh;position:sticky;top:0;overflow:hidden;-webkit-mask-image:linear-gradient(90deg,#00000059 0%,#0000008c 45%,#000 80%);mask-image:linear-gradient(90deg,#00000059 0%,#0000008c 45%,#000 80%)}.substrate__board{object-fit:cover;object-position:left top;opacity:.5;filter:blur(6px);width:calc(100% + 48px);height:calc(100% + 48px);position:absolute;inset:-24px}.substrate~*{z-index:1;position:relative}@media (max-width:700px){.substrate__board{opacity:.32}}