@keyframes pulse-once{0%{transform:scale(1);box-shadow:0 0 0 0 rgba(255,215,0,.6)}70%{transform:scale(1.02);box-shadow:0 0 0 10px rgba(255,215,0,0)}to{transform:scale(1);box-shadow:0 0 0 0 rgba(255,215,0,0)}}.card-pulse-once{animation:pulse-once 1s ease-out}