.hidden {
  visibility: hidden;
}

button {
  display: block;
  float: right;
}

div#log {
  font-family: Roboto Mono, Courier New, monospace;
  font-size: 13px;
}

div#rangeContainer {
  height: 70px;
}

input[type=range] {
  float: left;
  margin: 0 0 20px 0;
  width: calc(100% - 65px);
}

label {
  float: right;
  text-align: right;
  width: 65px;
}