.min-h750 {
  min-height: 750px;

}

.bg-success {
  background-color: #92a728 !important;
}

#hola {
  height: 100%;
  background-repeat: no-repeat;
  background: url('images/hills.jpg') no-repeat center center fixed;
  background-size: 100% 100%;
}

.imagenes {
  background-image: url("images/girl.jpg");
  background-color: #cccccc;
  height: 500px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}