body { background-image: url(face.svg); background-repeat: no-repeat; }
.whole_head { animation: head_down 2s ease-in-out infinite; }
@keyframes head_down { 50% { transform: translateY(12px); } }
.eye_left,.eye_right { animation: blinking 2s ease-in-out infinite; }
@keyframes blinking { 10% { opacity:0; } 12% { opacity: 1; } }