* {
  box-sizing: border-box;
}

html,body {
  background-color: rgba(30,30,30,1);
  font-family: 'Roboto', sans-serif;
  color: rgba(210,210,210,1);

  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

#container {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.input-control {
  z-index: 10;
  font-size: x-large;
  margin: 5px;
}

#display-area {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

h1 {
  margin: 0;
  display: inline;
}

.full-width {
  width: 100%;
  position: absolute;
  bottom: 1em;
  text-align: center;
}

.dark-translucent {
  background-color: rgba(0,0,0,0.85);
  padding: 10px;
  border-radius: 5px 5px;
  box-shadow: 0 0 10px black;
}

#equation-input {
  border: 0;
  color: inherit;
  text-align: left;
  width: 45%;
  display: inline-block;
  color: rgba(255,255,255,.95);
}

.separator {
  margin: 10px 0 10px 0;
  border-bottom: 1px solid rgba(200,200,200,1);
}

.control-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

a {
  color: tomato;
  text-decoration: none;
}

img.thumbnail {
  width: 1.2em;
  vertical-align: text-bottom;
}