body {
  margin: 40px 10px;
  padding: 0;
  font-family: Arial, Helvetica Neue, Helvetica, sans-serif;
  font-size: 14px;
}

#loading {
  display: none;
  position: absolute;
  top: 10px;
  right: 10px;
}

#calendar {
  max-width: 1100px;
  margin: 0 auto;
}
