*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#pdf-container {
  width: 100%;
  height: 100vh;
  overflow-y: auto;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
}

#pdf-container img {
  display: block;
  width: 100vw;
  height: 100vh;
  object-fit: contain;
  background: #fff;
  scroll-snap-align: start;
}