body {
  font-family: sans-serif;
  padding: 2em;
  background: #f4f4f4;
}

#departure-monitor {
  max-width: 600px;
  margin: auto;
  background: white;
  padding: 1em 2em;
  border-radius: 12px;
  box-shadow: 0 0 8px rgba(0,0,0,0.1);
}

#loading-bar {
  height: 4px;
  background-color: #6db64b;
  width: 0%;
  margin: 10px 0;
  transition: width linear;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  font-size: 1.2em;
  margin: 0.5em 0;
}

li.on-time {
  color: green;
}
li.delay {
  color: red;
}