.canvas-background{background-color:#000;background-image:linear-gradient(45deg,#1a1a1a 25%,transparent 25%),linear-gradient(-45deg,#1a1a1a 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#1a1a1a 75%),linear-gradient(-45deg,transparent 75%,#1a1a1a 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px}.canvas-background-small{background-color:#000;background-image:linear-gradient(45deg,#151515 25%,transparent 25%),linear-gradient(-45deg,#151515 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#151515 75%),linear-gradient(-45deg,transparent 75%,#151515 75%);background-size:12px 12px;background-position:0 0,0 6px,6px -6px,-6px 0px}.canvas-background-micro{background-color:#000;background-image:linear-gradient(45deg,#0f0f0f 25%,transparent 25%),linear-gradient(-45deg,#0f0f0f 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#0f0f0f 75%),linear-gradient(-45deg,transparent 75%,#0f0f0f 75%);background-size:8px 8px;background-position:0 0,0 4px,4px -4px,-4px 0px}.canvas-background-ultra-dark{background-color:#000;background-image:linear-gradient(45deg,#0d0d0d 25%,transparent 25%),linear-gradient(-45deg,#0d0d0d 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#0d0d0d 75%),linear-gradient(-45deg,transparent 75%,#0d0d0d 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px}