body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
background: #ffffff;
color: #000;
}

header {
background: #1f7a1f;
color: white;
padding: 20px;
text-align: center;
}

nav a {
color: white;
margin: 0 10px;
text-decoration: none;
font-weight: bold;
}

.hero {
padding: 80px 20px;
text-align: center;
background: #d9f5d9;
}

section {
padding: 40px 20px;
}

footer {
background: black;
color: white;
text-align: center;
padding: 15px;
margin-top: 40px;
}