body, html {
  margin: 0;
  padding: 0;
  font-family: 'Open Sans', sans-serif;
  background-color: black;
  color: white;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.button-bar ul {
  float: left;
}
.button-bar li {
  padding: .5em 1em;
  display: inline-block;
  border: 1px solid lightgrey;
  border-radius: 0;
  cursor: pointer;
  transition: all .25s;
  margin: 0;
  list-style: none;
}
.button-bar li:hover,
.button-bar li.selected {
  background-color: white;
  color: black;
}
.button-bar select {
  margin-right: 40px;
  float: right;
  margin-top: 16px;
  height: 40px;
  min-width: 150px;
}
#selection {
  margin: 0 40px;
}
#selection p {
  display: inline-block;
  padding: 2px;
}
.container {
  margin: 0;
  padding: 0;
  flex: 1 1 auto;
  visibility: hidden;
  position: relative;
}
#ceIFrame {
  width: 100%;
  height: 100%;
  border: none;
  background-color: white;
}
body.visible .container {
  visibility: visible;
}