body {
font-family: Arial, sans-serif;
line-height: 1.6;
margin: 0;
padding: 0;
}
header {
background-color: #f4f4f4;
padding: 10px;
text-align: center;
}
nav a {
margin: 0 5px;
text-decoration: none;
}
footer {
text-align: center;
padding: 10px;
background-color: #f4f4f4;
}