html,
body.ebook-modal-body {
  margin: 0;
  padding: 0;
  background: #f3f3f3;
}

.ebook-modal {
  width: 100%;
  min-height: 100vh;
  padding: 24px 16px;
  box-sizing: border-box;
}

.ebook-shell {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
}

.ebook-book {
  width: 100%;
  max-width: 1024px;
  margin: 0 auto;
}

.ebook-pages {
  display: block;
  visibility: visible;
}

.page {
  width: 512px;
  height: 724px;
  margin: 0 auto 12px;
  background: #fff;
  overflow: hidden;
  position: relative;
}

img.page-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.stf__parent,
.stf__wrapper,
.stf__block,
.stf__item {
  box-sizing: border-box;
}