.button{box-shadow:0 0 0 0 rgba(0,0,0,1);transform:scale(1);animation:pulse 2s infinite}@keyframes pulse{0%{transform:scale(0.95);box-shadow:0 0 0 0 rgba(255,197,10,0.7)}70%{transform:scale(1);box-shadow:0 0 0 10px rgba(0,0,0,0)}100%{transform:scale(0.95);box-shadow:0 0 0 0 rgba(0,0,0,0)}}