.rowBase{background-repeat:repeat-x;background-size:var(--tile-width) var(--tile-height);will-change:background-position;--fade-edge:12%;-webkit-mask-image:linear-gradient(to right,transparent 0,black var(--fade-edge),black calc(100% - var(--fade-edge)),transparent 100%);mask-image:linear-gradient(to right,transparent 0,black var(--fade-edge),black calc(100% - var(--fade-edge)),transparent 100%);-webkit-mask-size:100% 100%;mask-size:100% 100%;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat}@keyframes bg-left{0%{background-position-x:0}to{background-position-x:calc(-1 * var(--tile-width))}}@keyframes bg-right{0%{background-position-x:calc(-1 * var(--tile-width))}to{background-position-x:0}}.rowLeft{animation:bg-left linear infinite}.rowRight{animation:bg-right linear infinite}