.navbar-inverse {
  background-image: -webkit-linear-gradient(top,#3c3c3c 0,#222 100%);
  background-image: -o-linear-gradient(top,#3c3c3c 0,#222 100%);
  background-image: -webkit-gradient(linear,left top,left bottom,from(#3c3c3c),to(#222));
  background-image: linear-gradient(to bottom,#def9fc 0,rgba(0,133,255,0.78) 100%);
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff3c3c3c', endColorstr='#ff222222', GradientType=0);
  background-repeat: repeat-x;
  filter: progid:DXImageTransform.Microsoft.gradient(enabled=false);
  border-radius: 4px;
}

/* kleiner Bildschirm, Burger Menu */

#nav {
  display: grid;
}

/* xs less 768px
sm 768px
md 992px
lg 1200px */

/* grosses Menu */

@media (min-width: 767px) {
  #nav {
    display: block;
  }
}

.thumb-grid .thumbWrapper {
  width: 100%;
  height: 400px;
}

.gallery {
  display: inline-block;
  margin-top: 20px;
}