body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
}

header {
background-color:red;
color: white;
padding: 20px;
text-align: center;
}

nav ul {
list-style-type: none;
padding: 0;
}

nav ul li {
display: inline;
margin-right: 15px;
}

main {
padding: 20px;
}

footer {
background-color:red;
color: white;
text-align: center;
padding: 10px;
}