html, body {
    height: 100%;
    margin: 0;
    background-color: #262626;
  }
.app {
    display: flex;
    height: 100vh;
    width: 100%;
}
div {
    font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
}
#map {
    flex: 1;        
    min-height: 0;
  }
.right {
    width: 20%;
  }