#transcript {
  width: 600px;
  margin: auto;
  font-family: Arial, sans-serif;
}

.transcript-line {
  position: relative;
  padding: 5px;
  cursor: pointer;
  line-height: 1.3;
}

.transcript-timestamp {
  position: absolute;
  display: inline-block;
  color: #666;
  width: 50px;
}

.transcript-text {
  display: block;
  margin-left: 50px;
  padding-left: 10px;
}

.transcript-line:hover .transcript-text {
  border-left: 3px solid #c9f3f3;
  padding-left: 7px;
}

.transcript-line.is-active .transcript-text {
  border-left: 3px solid #ccc;
  padding-left: 7px;
  font-weight: bold;
}

.transcript-line.is-active .transcript-timestamp {
  color: #111;
}