@page {
  size: letter;
  margin: 25mm 25mm;
  @footnote {
    margin: 0.6em 0 0 0;
    padding: 0.3em 0 0 0;
    max-height: 10em;
  }

  @top-center {
    vertical-align: bottom;
    padding-bottom: 10mm;
    content: string(booktitle);
  }
}

@font-face {
  font-family: 'Arial';
  font-weight: normal;
  font-style: normal;
}

@font-face {
  font-family: 'Arial';
  font-weight: bold;
  font-style: normal;
}

@font-face {
  font-family:'Arial';
  font-weight: normal;
  font-style: italic;
}

@font-face {
  font-family:'Arial';
  font-weight: bold;
  font-style: italic;
}

:root {
  --color-mbox : rgba(0,0,0,0.2);
  --margin: 4px;
  --font-size: 16px;
}

section {
  break-before: page;
  page-break-before: always;
}

.paper_view_content_root {
  font-family: 'Arial', sans-serif;
  margin: 0;
  overflow: auto;
  height: auto;
  text-align: initial;
}

.paper_view_content_root [contenteditable]:focus {
  outline: 0px solid transparent;
}

.paper_view_content_root #controls {
  display: none;
}

.paper_view_content_root .pagedjs_page {
  font-size: var(--font-size);
  margin: 0;
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
  page-break-after: always;
}

.paper_view_content_root .pagedjs_pagebox > .pagedjs_area > .pagedjs_page_content {
  width: 100%;
  height: 100%;
  position: relative;
  column-fill: auto;
}

@media screen {
  .paper_view_content_root {
    background-color: lightgrey;
  }

  .paper_view_content_root .pagedjs_page {
    background: white;
    box-shadow: 0 .5mm 2mm rgba(0,0,0,.3);
    margin: 5mm auto;
  }

  .paper_view_content_root .pagedjs_pages {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
    transform-origin: 0 0;
    margin: 0 auto;
  }

  .paper_view_content_root #controls {
    margin: 20px 0;
    text-align: center;
    display: block;
  }

  .paper_view_content_root .pagedjs_first_page {
    /*margin-left: calc(50% + var(--margin));*/
  }
}

@media screen {
  .debug .pagedjs_margin-top .pagedjs_margin-top-left-corner,
  .debug .pagedjs_margin-top .pagedjs_margin-top-right-corner {
    box-shadow: 0 0 0 1px inset var(--color-mbox);
  }

  .debug .pagedjs_margin-top > div {
    box-shadow: 0 0 0 1px inset var(--color-mbox);
  }

  .debug .pagedjs_margin-right > div {
    box-shadow: 0 0 0 1px inset var(--color-mbox);
  }

  .debug .pagedjs_margin-bottom .pagedjs_margin-bottom-left-corner,
  .debug .pagedjs_margin-bottom .pagedjs_margin-bottom-right-corner {
    box-shadow: 0 0 0 1px inset var(--color-mbox);
  }

  .debug .pagedjs_margin-bottom > div {
    box-shadow: 0 0 0 1px inset var(--color-mbox);
  }

  .debug .pagedjs_margin-left > div {
    box-shadow: 0 0 0 1px inset var(--color-mbox);
  }
}