body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
    background-color: #f4f4f4;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 20px 0;
}

header h1 {
    margin: 0;
}

main {
    padding: 20px;
}

section.intro {
    margin-bottom: 30px;
}

section.contact button {
    display: inline-block;
    margin: 10px;
    padding: 10px 20px;
    font-size: 16px;
    color: white;
    background-color: #4CAF50;
    border: none;
    cursor: pointer;
    border-radius: 5px;
    text-decoration: none;
}

section.contact button:hover {
    background-color: #45a049;
}

footer {
    background-color: #333;
    color: white;
    padding: 10px 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}