:root {
  --header-height: 56px;
}
body {
  background: #f9f7f7;
  opacity: .8;
}
#abe-preview-header {
  background: #fff;
  color: #000;
  height: var(--header-height);
  width: 100vw;
  z-index: 100;
}
#abe-preview-header > a {
  line-height: 16px;
}
#abe-preview-header-title {
  width: 100%;
}
#abe-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: calc(100vh - var(--header-height));
}
#abe-preview > div {
  background: #fff;
  max-width: 960px;
}
@media (max-width: 960px) {
  #abe-preview > div {
    max-width: 100%;
    margin: 0;
  }
}