html {
  position: fixed;
  height: 100%;
  overflow: hidden;
}

body {
  width: 100vw;
  height: 100vh;
  overflow-y: scroll;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: none;
}

.loader {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

@media print {
  html {
    position: static;
    height: auto;
    overflow: visible;
  }
}