@keyframes heartbeat { 0% { transform: scale(1); } 10% { transform: scale(1.15); } 20% { transform: scale(1); } 30% { transform: scale(1.2); } 40%, 100% { transform: scale(1); } }  @keyframes rotate1 { from { transform: rotate(0deg); } to { transform: rotate(360deg); } } @keyframes rotate2 { from { transform: rotate(120deg); }  to { transform: rotate(480deg); }  } @keyframes rotate3 { from { transform: rotate(240deg); }  to { transform: rotate(600deg); }  }