.preloader-dual-ring { display: inline-block; width: 80px; height: 80px; } .preloader-dual-ring:after { content: " "; display: block; width: 64px; height: 64px; margin: 8px; border-radius: 50%; border: 6px solid #fff; border-color: #fff transparent #fff transparent; animation: preloader-dual-ring 1.2s linear infinite; } @keyframes preloader-dual-ring { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }