header {
  position: relative;
  background-color: black;
  height: 100vh;
  min-height: 25rem;
  width: 100%;
  overflow: hidden;
}

header video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: 0;
  -ms-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -webkit-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
}

header .container {
  position: relative;
  z-index: 2;
}

header .overlay {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: black;
  opacity: 0.5;
  z-index: 1;
}

.img-gallery-item {
    height: 250px;
    width: 100%;
    object-fit: cover;
}

.img-gallery-item-bg {
    height: 180px;
    width: 100%;
    object-fit: cover;
}

#divNosotros {
    position: relative;
    height: 600px;
}

#divNosotros .overlay {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  background-color: black;
  opacity: 0.5;
  z-index: 1;
}

#divNosotros video {
    width: 100%;
    height: 100%;
    position: absolute;
    object-fit: cover;
    z-index: 0;
}

#divNosotros .container {
    color: white;
    top:80px;
    position: relative;
    z-index: 2;
    height: 500px;
}

footer {
    height: 50px;
    background-color: #17202A;
    color:white;
}