html {
  font: normal 62.5%/1.3em serif;
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  background: white;
  margin: 0;
  padding: 0;
  height: 100%;
  position: relative;
  color: #333;
  font: normal 1.5em/1.3em serif;
}

#alligot {width: 833px; height: 328px; position: relative; left: 50%; top:50%; margin: -164px 0 0 -416px;}