body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

#log {
  border: 1px solid #ccc;
  padding: 10px;
  min-height: 200px;
  overflow-y: scroll;
  margin-top: 20px;
}

#download-link {
  display: none;
  margin-top: 20px;
}