body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #ff9a9e, #fad0c4);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.card-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.card {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    width: 300px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-content {
    padding: 20px;
}

.card-content h3 {
    margin: 0 0 10px;
    font-size: 1.5em;
    color: #333;
}

.card-content p {
    margin: 0;
    color: #666;
    line-height: 1.6;
}

.card-content .author {
    font-style: italic;
    color: #444;
    margin-top: 10px;
}

.card-content .categories {
    margin-top: 15px;
    font-size: 0.9em;
    color: #007bff;
}

.card-content .categories span {
    margin-right: 5px;
}

.card-content a {
    display: inline-block;
    margin-top: 15px;
    text-decoration: none;
    color: #007bff;
    font-weight: bold;
    transition: color 0.3s ease;
}

.card-content a:hover {
    color: #0056b3;
}

.card-content .btn {
    display: inline-block;
    padding: 10px 20px;
    margin-top: 15px;
    font-size: 1em;
    font-weight: bold;
    color: #ffffff;
    background-color: #007bff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.card-content .btn:hover {
    background-color: #0056b3;
    transform: scale(1.05);
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .card {
        width: 100%;
        max-width: 300px;
    }
}