html, body { height: 100%; }
 
body {
  margin: 50px 0px;
  padding: 0px;
  text-align: center;
}

#amazon {
  height: 100%;
  margin-right: 15px;
  float:left;
}

img.amazon_ad_image {
  margin-top: 15px;
}

#content {
  width:   600px;
  margin:  0px auto 50px;
  padding: 15px;
  border:  1px solid #333;
  background-color: #EEE;
  text-align: left;
}

#screenshots {
  text-align: center;
}

#about {
  margin: 0 15px;
}

a.header_link {
  padding: 0 10px;
}

img.app_screen {
  margin-bottom: 30px;
}