body, html {
  padding: 0;
  margin: 0;
  overflow: hidden;
}
#container {
  position: relative;
  margin: 1em auto;
  width: 600px;
  background: #eee;
  border: 1px solid #ddd;
}
#freqRange {
  position: relative;
  margin: 1em auto;
  width: 600px;
  background: #eee;
  border: 1px solid #ddd;
}
#freqRangeInner {
  padding: 10px;
  font-family: sans-serif;
  font-size: 12px;
}
header {
  color: white;
  font-family: sans-serif;
  font-size: 12px;
  padding: 0.1em;
  background: #ccc;
}

footer {
  left: 0;
  right: 0;
  background: #ccc;
}

#history-wrap {
  min-height: 60px;
  max-height: 60px;
  overflow: scroll;
  margin-bottom: 1em;
}
#historyMsg {
  font-family: sans-serif fixed;
  font-size: 11px;
  min-height: 5em;
  padding-bottom: 0em;
}

#say {
  margin: 0.2em;
  border: 1px solid #ddd;
}

#fileReceiverMsg {
  font-family: sans-serif fixed;
  font-size: 11px;
  font-size: 12px;
  padding: 0.1em;
  background: #eee;
  width: 100%;
  margin-right: 50px;
  margin-left: 50px;
  margin-bottom: 8px;
  visibility: hidden;

}

input { width: 100%; }
canvas { position: relative; }