#like-button {
    background: none;
    border: none;
    cursor: pointer;
    
    align-items: center;
}

#like-icon {
   
    fill: gray;
    transition: fill 0.3s ease;
}

#like-button.liked #like-icon {
    fill: red;
    animation: none;
}

#like-icon.pulse {
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}