body {
  margin-left: 2%; margin-right: 2%;
  color: black; background: silver;
}

h1 { margin-left: +1%;}
h2,h3,h4,h5,h6 { margin-left: +2%; }


ul#navigation {
padding: 0;
margin: 0;
background-color: "#C0C0C0";
color: #fff;
float: left;
width: 100%;
}
ul#navigation li { display: inline; }
ul#navigation li a {
padding: .25em 1em;
background-color: #039;
color: #ddd;
text-decoration: none;
float: left;
border-bottom: solid 1px #fff;
border-top: solid 1px #fff;
border-right: solid 1px #fff;
}
a:link, a:visited { color: #00f; }
ul#navigation li a:hover {
color: #f00;
background-color: #bbb;
}