.centered {
    width: 100%;
    margin: 0px auto;
    display: flex;
    flex-direction: row;
    justify-content: center;
  }
  
  .info {
    position: fixed;
    top: 5%;
    padding: 8px 16px;
    text-align: center;
    font-size: 1.25em;
    color: #eeeeee;
    background-color: rgba(0, 0, 0, 0.2);
    z-index: 999999;
  }
  
  .command > button {
    position: fixed;
    bottom: 5%;
    z-index: 999999;
  }
  
  .btn {
    width: 48px;
    height: 48px;
    -webkit-border-radius: 24;
    -moz-border-radius: 24;
    border-radius: 24px;
    background: #3498db;
    background-image: -webkit-linear-gradient(top, #3498db, #2980b9);
    background-image: -moz-linear-gradient(top, #3498db, #2980b9);
    background-image: -ms-linear-gradient(top, #3498db, #2980b9);
    background-image: -o-linear-gradient(top, #3498db, #2980b9);
    background-image: linear-gradient(to bottom, #3498db, #2980b9);
  }
  
  .btn:hover {
    background: #3cb0fd;
    background-image: -webkit-linear-gradient(top, #3cb0fd, #3498db);
    background-image: -moz-linear-gradient(top, #3cb0fd, #3498db);
    background-image: -ms-linear-gradient(top, #3cb0fd, #3498db);
    background-image: -o-linear-gradient(top, #3cb0fd, #3498db);
    background-image: linear-gradient(to bottom, #3cb0fd, #3498db);
  }