#speaker-note {
  position:absolute;
  left: 0;
  top: 80%;
  width: 100%;
  height: 20%;
  z-index: 8;
  opacity: 0.75;
  background-color: white;
  overflow: auto;
  padding: 2px 20px;
  -webkit-transition: top 0.5s ease-in-out;
  -moz-transition: top 0.5s ease-in-out;
  -o-transition: top 0.5s ease-in-out;
  transition: top 0.5s ease-in-out;
}
#speaker-note.invisible {
  top: 101%;
}
.sidebar {
  z-index: 999;
  box-sizing: border-box;
  height: 100%;
  overflow: hidden;
  top: 0;
  position: absolute;
  display: block;
  margin: 0;
  padding: 10px 16px;
  overflow: auto;
  -webkit-transition: margin 0.2s ease-in-out;
  -moz-transition: margin 0.2s ease-in-out;
  -o-transition: margin 0.2s ease-in-out;
  transition: margin 0.2s ease-in-out;
}
.sidebar.invisible {
  margin-left: -400px;
}
.sidebar table {
  border-collapse: collapse;
}
.sidebar caption {
  text-shadow: rgba(0, 0, 0, 0.2) 0 2px 5px;
  font-size: 24px;
  font-weight: bold;
  line-height: 55px;
}
.sidebar tr {
  margin: 2px 0;
  border-bottom: 1px solid #CCC;
}
.sidebar th{
  text-align: left;
  max-width: 300px;
}
.sidebar td {
  text-align: right;
  padding-left: 20px;
  padding-right: 5px;
  font-family: Monospace;
}

nav#helpers {
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  text-align: center;
  position: fixed;
  bottom: 0;
  z-index: 10;
  left: 50%;
  margin-left: -200px;
  width: 400px;
  background-color: black;
  opacity: 0.1;
}
nav#helpers:hover {
  opacity: 0.5;
}
nav#helpers button {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
}
.toc {
  font-size: 10px;
  position: relative;
  top: -3px;
}
nav#helpers button#slide-no {
  font-size: 10px;
  border: 1px solid white;
  padding: 4px;
  margin-bottom: 4px;
}
#nav-next {
  margin-right: 20px;
}
menu {
  display: inline;
}