.site-header.original {
  height: 74px !important;
  min-height: 74px !important;
  overflow: hidden;
  visibility: hidden;
}

.site-header.clone {
  display: block !important;
  opacity: 1 !important;
  transform: none !important;
  visibility: visible !important;
}

.edx-presale-shell {
  overflow: hidden;
  background: #f4f7f5;
}

.edx-presale-frame {
  display: block;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  min-height: 760px;
  border: 0;
  background: #f4f7f5;
  opacity: 0;
  transition: opacity 0.16s ease;
}

.edx-presale-frame.is-loaded {
  opacity: 1;
}

@media (max-width: 767px) {
  .site-header.original {
    height: 50px !important;
    min-height: 50px !important;
  }

  .edx-presale-frame {
    min-height: 720px;
  }
}