/* General styles */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
    background-color: #f4f4f9;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

h1 {
    margin: 0;
}

main {
    margin: 20px auto;
    max-width: 600px;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.start-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    font-size: 18px;
}

.start-btn:hover {
    background-color: #0056b3;
}

/* Footer styles */
footer {
    margin-top: 50px;
    padding: 10px 0;
    background-color: #333;
    color: #fff;
    position: relative;
    bottom: 0;
    width: 100%;
}