.jumbotron.jumbotron-hero-explorations {
  background-color: #3c769b !important;
  /* background-image: url(/themes/custom/sio_ucsd/img/explorations/layer0_background.png) !important; */
}

/* single image, controlled by css alone */
.parallax {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  height: 550px;
}

/* multiple images, controlled by js */
.parallax__multi {
  -webkit-perspective: 100px;
  perspective: 100px;
  height: 550px;
  overflow-x: hidden;
  overflow-y: auto !important;
  position: absolute;
  top: 0;
  left: 50%;
  right: 0;
  bottom: 0;
  margin-left: -1500px;
}
  .parallax__multi .parallax__layer {
    background-position: center !important;
    background-size: cover !important;
    height: 550px;
    left: 50%;
    position: fixed;
    top: 0;
    transform: translateY(0px);
    width: 100%;
  }

/* .parallax__layer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
} */
  /* .parallax__layer img {
    display: block;
    position: absolute;
    bottom: 0;
  } */

.parallax__cover {
  background: #000000;
  display: block;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  height: 500px;
  z-index: 2;
}

.parallax__layer1__coral {
  -webkit-transform: translateY(0px) translateZ(-100px) scale(2);
  transform: translateY(0px) translateZ(-100px) scale(2);
}

.parallax__layer2__diver {
  -webkit-transform: translateY(0px) translateZ(-50px) scale(1.5);
  transform: translateY(0px) translateZ(-50px) scale(1.5);
}

.parallax__layer3__rocks {
  -webkit-transform: translateY(0px) translateZ(0px) scale(1);
  transform: translateY(0px) translateZ(0px) scale(1);
}

@media (max-width: 767px) {
  .parallax {
    background-attachment: initial;
    max-height: 343px;
  }
}