.jumbotron {
  background: url(img/banner6.jpg) no-repeat top center;
  height: 356px;
  overflow: none;
/*  margin-top: -6em; */
  margin-bottom: 1em;
}

.jumbotron img.app-btn {
  width: 30%;
  opacity: 0.7;
}

@media (max-width: 767px) {
 .jumbotron {
    height: 178px;
  }
}