#section-green,
#section-blue,
#section-red,
#section-start,
#section-stop {
  height: 8000px;
  padding: 10px 20px;
}

#section-green { background: #9c6; color: #cf9; }
#section-blue  { background: #69c; color: #9cf; }
#section-red   { background: #c69; color: #f9c; }