.mathbox {
  border: none;
}

.controls {
  position: absolute;
  height: 100%;
  left: 0;
  top: 0;
  padding: 10px;
  opacity: 0;
}

.control {
  margin-top: 15px;
  color: #999;
}

.control:hover {
  color: #666;
}

.control > label {
  display: block;
}

.control > input {
  cursor: pointer;
}

.director-nav {
  text-align: center;
  color: #ccc;
  cursor: pointer;
}

.director-nav > *:hover {
  color: #999;
}

#loading {
  position: absolute;
  left:0;
  right:0;
  margin-left:auto;
  margin-right:auto;
  bottom: 50%;
  text-align: center;
  opacity: 0.2;
}

#story {
  font-family: Lato,"Lucida Sans Unicode","Lucida Grande",Garuda,sans-serif;
  font-weight:300;
  font-size:14px;
  line-height:1.5em;
  width: 100%;
  text-align: left;
  color: #999;
  padding: 20px 40px;
}