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;
  }