.btn-drop{will-change:filter;transition:filter .3s;filter:drop-shadow(0 0 1em #ea602d);animation:pulsate 2s 1s infinite}.btn-drop:hover{filter:drop-shadow(0 0 1.5em #ea602d);animation:pulsate .1s;transform:scale(1.04)}@keyframes pulsate{0%{transform:scale(1)}50%{transform:scale(1.04)}to{transform:scale(1)}}