.previous_page, .next_page {
  font-size:      1.2em;
}

.previous_page {
  float:        left;
  clear:        left;
}

.next_page {
  float:        right;
  clear:        right;
}

#chapter table {
  margin-top:       1em;
  margin-bottom:    1em;
}

#chapter table td {
  padding-left:     1em;
  padding-right:    1em;
  background-color: #eaeaea;
  border: thin solid white;
  font-size: 80%;
}

td .docbook_option, td .docbook_emphasis {
  font-size: 125%;
}


// Side Table of Contents

  #outer > #toc {
    position:     fixed;
    top:        35%;
    left:       0;
    z-index:      3000;
  }

  #outer > #toc img {
    position:     fixed;
    top:        35%;
    left:       0;
    background-color:   #304b66;
    padding:      0.5em;
    z-index:      3000;
    display:      none;
  }

  #outer > #toc img:hover {
    cursor:       pointer;
    background-color:   #000;
  }

  #outer > #toc > ul {
    position:     fixed;
    top:        30%;
    background-color:   #fff;
    min-height:     200px;
    max-height:     65%;
    overflow-y:     auto;
    padding:      0.5em 0;
    border-top:     1px solid #bbb;
    border-bottom:      1px solid #bbb;
    z-index:      3000;
  }
  #outer > #toc a {
    font-size:      1.2em;
    color:        #304b67;
    text-decoration:    none;
    padding:      0 0.5em;
  }
  #outer > #toc a:hover {
    color:        #000;
  }

  @media all and ( max-width: 640px ){
    #outer > #toc {
      display:    none;
    }
  }