stylesheet.css

body{
	background-color: #aaa;
}
header {
  background-color: #666;
  padding: 30px;
  text-align: center;
  font-size: 35px;
  color: white;
  margin: 0px
}
nav {
  float: left;
  width: 15%;
  height: 400px;
  background: #ccc;

}
section{
  content: "";
  display: table;
  clear: both;
  width: 1200px;
}
footer {
  background-color: #777;
  padding: 10px;
  text-align: center;
  color: white;
}
@media (max-width: 1200px) {
  nav, article {
    width: 85%;
    height: auto;
 }	
}


a:link, a:visited {
  background-color: #000;
  color: white;
  padding: 15px 25px;
  border: 1px solid black;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  width: 65px;
  height: 45px;
}
a:hover, a:active {
  background-color: #555;
}