body {
  margin: 0;
  background-color: #F8F8F8;  
  color: #333;  */          
  font-family: Arial, sans-serif;
  background-image: url('nietmachine_jpg.jpg');
  background-position: center center;
  background-size:contain;
  height: 100%;
  background-repeat: no-repeat;
  background-attachment: fixed;
  -webkit-background-size: contain;
  -moz-background-size: contain;
  -o-background-size: contain;
  overflow: scroll;
}

header {
  font-family: 'Lucida Console', monospace;
  font-size: 30px;
  font-style: bold;
  color: #004d40;
  text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.7);
  padding: 20px;
  height: 20vh;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
}

h1, p1 {
  font-family: 'Helvetica', sans-serif;
  color: #004d40;
  text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.7);
}

topper {
  height: 10vh;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
}

footer {
  height: 10vh;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
}