body, html {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    color: #333;
    background: #f5f5f5;
}

header {
    background: #007BFF;
    color: #ffffff;
    padding: 10px 20px;
    text-align: center;
}

.logo {
    font-size: 24px;
}

section {
    padding: 20px;
    margin: 20px;
}

#intro, #contact {
    background: #e3e3e3;
    border-radius: 8px;
}

.service {
    background: #ffffff;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 10px;
}

h1, h2, h3 {
    color: #007BFF;
}

a {
    color: #007BFF;
    text-decoration: none;
}

footer {
    text-align: center;
    padding: 20px;
    background: #007BFF;
    color: white;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
}