body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 20px;
  background-color: #f0f0f0;
}

#map-container {
  position: relative;
  width: 800px;
  height: 600px;
  margin: 20px auto;
  border: 1px solid #ccc;
}

#map {
  width: 100%;
  height: 100%;
}

#overlay {
  position: absolute;
  top: 0;
  left: 0;
}

#yearSlider {
  width: 100%;
  margin: 20px 0;
}

#currentYear {
  text-align: center;
  font-size: 24px;
  font-weight: bold;
}

#events {
  margin: 20px;
}

#eventList li {
  margin: 10px 0;
}

a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}