body{
font-family: Arial, Helvetica, sans-serif;
margin:0;
background:#f5f5f5;
}

header{
background:#002147;
color:white;
padding:30px;
text-align:center;
}

nav a{
color:white;
margin:0 15px;
text-decoration:none;
font-weight:bold;
}

section{
max-width:900px;
margin:auto;
background:white;
padding:40px;
margin-top:20px;
}

h1{
margin-bottom:5px;
}

footer{
text-align:center;
padding:20px;
color:#777;
}