.pattern {
background-color: #c2c2c2;
background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.49) 0px, rgba(255, 255, 255, 0.49) 1px, transparent 1px, transparent 5px),
repeating-linear-gradient(135deg, rgba(0, 0, 0, 0.23) 4px, rgba(0, 0, 0, 0.23) 5px, transparent 5px, transparent 9px),
repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.48) 0px, rgba(255, 255, 255, 0.48) 1px, transparent 1px, transparent 5px),
repeating-linear-gradient(45deg, rgba(0, 0, 0, 0.14) 4px, rgba(0, 0, 0, 0.14) 5px, transparent 5px, transparent 9px);
background-position: center;
}