body {
  padding: 50px;
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a {
  color: #00b7ff;
}

#main {
  display: flex;
  align-items: center;
  justify-content: center;
}
#map {
  height: 800px;
  width: 1200px;
  border: solid black 10px;
  border-radius: 5px;
}
h1 {
  text-align: center;
}

.mycluster {
  width: 30px;
  height: 30px;
  border-radius: 100%;
  background-color: #b22222;
  color: white;
  text-align: center;
  font-size: 16px;
}