#container {
  width: 100%;
  height: 100vh;
}

.content {
    text-align: center;
    margin: 20%;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 30px;
}

.rounded-button {
    width: 40px;
    height: 40px;
    background: #00040f;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 50%;
    border: none;
    text-decoration: none;
    transition: background 0.2s;
    box-shadow: 2px 2px #888888;

  }
  
  .rounded-button:hover {
    background: #333336;
  }



  .indicator {
    margin-top: 10px;
    margin-left: 5px;
    font-size: 10px;
  }
  
  iframe {
    text-align: center;
    margin: 20%;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 30px;
  }