html,
body {
  margin: 0;
  padding: 0;
}

#map {
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 0;
}

#selectContainer {
  position: fixed;
  top: 0;
  z-index: 1000;
  width: 100%;
  padding: 11px 0;
}

#countrySelect {
  width: 200px;
  margin: 0 auto;
}