/* site.css */

header, footer {
      background-color: yellow;
      border: solid 1px black;
    }
   
 body {
      font-family: Calibri, Century Gothic, Sans-Serif;
      font-size: 20px;
    }
.container {
  width: 989px;
  margin: 0 auto; 
}

html, body {
  padding: 0;
  margin: 0;
}

header nav {
  float: right;
}