div.audio-speed-controller {
  /* border:  green dotted 1px; */
  margin-top: 0;
  margin-bottom: 0;
}

div.audio-speed-controller audio {
  width: 100%;
  height: 24px;
  /* background-color: blue; */
}

div.audio-speed-controller ul {
  justify-content: center;
  display: flex;
  font-family: hevetica, sans-serif;
  padding: 0;
  margin-top: 6px;
}

div.audio-speed-controller ul li {
  display: inline;
  border: gray 1px solid;
  margin: 0 4px;
  text-align: center;

  padding-left: 8px;
  padding-right: 8px;
  padding-top: 8px;
  padding-bottom: 8px;
  cursor: pointer;
  background-color: inherit;
  width: 8%;
}

div.audio-speed-controller ul li.depressed {
  background-color: #555;
  color: #fff;
}