body {
    background-color: #f0f4f8; /* Light grayish-blue */
    font-family: Arial, sans-serif;
}

.card {
    border: 2px solid #ccc;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    background: #ffffff;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    max-width: 100%;
    box-sizing: border-box;
}


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

/* Ensure cards stack on smaller screens */
@media (max-width: 768px) {
    .card-container {
        flex-direction: column;
        align-items: center;
    }
}


.card h3 {
    margin-top: 0;
}

h1 {
    text-align: center;
    color: #333; /* Dark gray text */
}

footer {
    text-align: center;
    color: #777; /* Lighter gray text */
    margin-top: 20px;
    font-size: 0.9em; /* Slightly smaller font */
}
.btn {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    text-align: center;
    transition: background-color 0.3s ease; /* Smooth transition */
}

.btn:hover {
    background-color: #45a049;
}

/* Add a focus state */
.btn:focus {
    outline: none;
    box-shadow: 0 0 0 2px #ffb6c1; /* Light red outline on focus */
}