t(.sb-preparing-docs) {
    display: none;
  }

  /* Hide our own blocks when we aren't supposed to be showing them */
  :not(.sb-show-preparing-story) > .sb-preparing-story,
  :not(.sb-show-preparing-docs) > .sb-preparing-docs,
  :not(.sb-show-nopreview) > .sb-nopreview,
  :not(.sb-show-errordisplay) > .sb-errordisplay {
    display: none;
  }

  .sb-show-main.sb-main-centered {
    margin: 0;
    display: flex;
    align-items: center;
    min-height: 100vh;
  }

  .sb-show-main.sb-main-centered #storyboo