body.overflow-hidden {
  overflow: hidden !important;
}
body .logo-frame {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  opacity: 0;
  -webkit-transform: scale(0);
      -ms-transform: scale(0);
          transform: scale(0);
}
body .logo-frame .logo {
  background-position: center;
  background-repeat: no-repeat;
  background-size: contain;
  position: absolute;
  width: 30%;
  height: 35%;
  max-width: 250px;
  max-height: 120px;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
}