.iframe-container {
    position: relative;
    padding-bottom: 56.25%; 
    height: 0;
    overflow: hidden;
    max-width: 100%;
    margin-bottom: 30px;
  }
  
  .iframe-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
  }