body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
background-color: #f5f5f5;
}
header {
background: #333;
color: #fff;
padding: 2em 1em 1em 1em;
text-align: center;
}
nav ul {
list-style: none;
padding: 0;
margin: 1em 0 0 0;
}
nav ul li {
display: inline;
margin: 0 1em;
}
nav ul li a {
color: #fff;
text-decoration: none;
font-weight: bold;
}
main {
max-width: 800px;
margin: 2em auto;
background: #fff;
padding: 2em;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.07);
}
h2 {
color: #333;
margin-top: 2em;
}
ul {
margin: 0 0 1em 1em;
}
footer {
background: #333;
color: #fff;
text-align: center;
padding: 1em;
margin-top: 2em;
border-top: 1px solid #ccc;
}