body { background: radial-gradient(circle at 100% 50%, transparent 20%, #2196F3 21%, #2196F3 34%, transparent 35%, transparent), radial-gradient(circle at 0% 50%, transparent 20%, #2196F3 21%, #2196F3 34%, transparent 35%, transparent) 0 -50px; background-color: #FFB300; background-size: 75px 100px; }