.invisible {
  display: none;
}


h3 {
  font-weight: normal;
  text-align: center !important;
  margin: 0;
  margin-bottom: 1em;
}

#toc {
  margin: 0;
  padding: 0;

  .item {
    line-height: 1.1;
    margin: 0.5em 0;
    text-indent: -0.5em;
    margin-left: 0.5em;
    text-align: left !important;
    page-break-inside: avoid;
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    clear: both;
    vertical-align: middle;

    // clearfix
    &:after {
      content: "";
      display: table;
      clear: both;
    }
    &.double {
      margin-top: 1em;
    }

    .date {
      display: inline;
      font-size: 0.7em;
      white-space: nowrap;
      opacity: 0.6;
    }
    .floatbox {
      display: block;
      float: right;
      white-space: nowrap;
      vertical-align: middle;
      text-align: right !important;
      padding-left: 1em;
      margin-left: 1em;
    }
    .wordcount {
      font-size: 0.7em;
      opacity: 0.6;
    }
  }
}

li[hidden] {
  display: none;
}