.heart-beat {
    color: #ff0000; /* Initial red color */
    animation: heartbeat 1.5s infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.3); /* Make the heart slightly larger */
    }
    50% {
        transform: scale(1.1); /* Bring it back closer to original size */
    }
    75% {
        transform: scale(1.2); /* Another slight increase before settling */
    }
}