1 <!doctype html> 2 <html> 3 <head> 4 <style> 5 body { 6 background-color: #b3b3b3; 7 8 background-image: 9 linear-gradient(45deg, #000000 25%, transparent 25%), 10 linear-gradient(-45deg, #000000 25%, transparent 25%), 11 linear-gradient(45deg, transparent 75%, #000000 75%), 12 linear-gradient(-45deg, transparent 75%, #000000 75%); 13 14 background-size:80px 80px; 15 background-position: 0 0, 0 80px, 80px -80px, -80px 0px; 16 } 17 </style> 18 </head> 19 <body> 20 </body> 21 </html> 22
