Monochrome drawing of sleek fast train in perspective. isBasedOn: https://pixabay.com/vectors/amtrak-high-speed-train-295512/ Thanks! See also the manually-derived WEBP and JXL versions provided, with extra extension to allow auto-discovery by hero-image selection script. % cwebp -v -lossless -m 6 -q 100 img/travel/train-fast.png -o img/travel/train-fast.png.webp % cjxl -v -s 9 -q 100 img/travel/train-fast.png img/travel/train-fast.png.jxl img/travel/train-fast.png img/travel/train-fast.png.jxl 26736 img/travel/train-fast.png 24802 img/travel/train-fast.png.webp 17729 img/travel/train-fast.png.jxl