.parallax-container {
  position: relative;
  overflow: hidden;
  height: 750px;
}

.parallax-container2 {
  position: relative;
  overflow: hidden;
  height: 750px;
}

.parallax {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.parallax img {
  display: none;
  position: absolute;
  left: 50%;
  bottom: 0;
  min-width: 100%;
  min-height: 100%;
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}