body {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
    color: white;
    font-family: sans-serif;
    margin: 0;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

main {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
}

h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
}

#draw-cards-btn {
    background-color: #ffffff;
    color: #e73c7e;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#draw-cards-btn:hover {
    background-color: #f0f0f0;
}

#card-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 3rem;
}

.card {
    width: 150px;
    height: 250px;
    margin: 1rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card:hover {
    transform: scale(1.05);
}