@keyframes pulse1{0%,to{transform:scale(.75)}50%{transform:scale(1)}}@keyframes pulse2{0%,to{transform:scale(1)}50%{transform:scale(.75)}}.pulse{transform-box:fill-box;transform-origin:50%}.group-1{animation:2s ease-in-out infinite pulse1}.group-2{animation:2s ease-in-out infinite pulse2}