@keyframes pulse-input {
    0% { box-shadow: none; }
    50% { box-shadow: 0 0 transparent,0 0 0 .25rem rgba(32,107,196,.25); }
    100% { box-shadow: none; }
}

.pulse_input_on_change {
    animation: pulse-input 0.5s ease-in-out;
}