.container {
    padding: 20px;
    font-family: Arial, sans-serif;
}

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

.card {
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    width: 280px;
    text-align: center;
    padding: 20px;
}

.pdf-icon {
    margin-bottom: 10px;
}

.card a {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 16px;
    background-color: #ff0000;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

.card a:hover {
    background-color: #b30000;
        text-decoration: none;
        color: white;
}
