.navbar{
  position:relative;
  min-height:50px;
  border:1px solid transparent;
  margin:0px;
}

.jumbotron{
  color:inherit;
  background-color:#eee;
  mae012.jpg");
  background-repeat:no-repea5
  height:300px;
  background-size:cover;
  background-position:center;
}