/* Move down content because we have a fixed navbar that is 3.5rem tall */
body {
  padding-top: 3.5rem;
  margin:0;
  padding:0;
  background: url(/images/pierre/pierrezimmer01.jpg) no-repeat center fixed; 
  -webkit-background-size: cover; /* pour anciens Chrome et Safari */
  background-size: cover; /* version standardisée */
}

.jumbotron {
    position: relative;
    background: url("#") center center;
    width: 100%;
    height: 80%;
    background-size: cover;
    overflow: hidden;
	color: #dddfd8;
}