.checker-bg{--image-checkerboard-base:#060c14;--image-checkerboard-tile:#101622;background-color:var(--image-checkerboard-base);background-image:linear-gradient(45deg,var(--image-checkerboard-tile) 25%,transparent 25%),linear-gradient(-45deg,var(--image-checkerboard-tile) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--image-checkerboard-tile) 75%),linear-gradient(-45deg,transparent 75%,var(--image-checkerboard-tile) 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0}.checker-bg-themed{--image-checkerboard-base:var(--surface-sunken);--image-checkerboard-tile:var(--surface-card)}