.iframe-container {
    position: relative;
    padding-bottom: 56.25%;
    width: 80%;
  }

  .iframe {
    position: absolute;
    width: 100%; 
    height: 100%;
    border: none;
    margin-top: 20px;
    margin-bottom: 30px;
    -moz-border-radius: 12px;
    -webkit-border-radius: 12px;
    border-radius: 12px;
    -moz-box-shadow: 4px 4px 14px #000;
    -webkit-box-shadow: 4px 4px 14px #000;
    box-shadow: 4px 4px 14px #000;
  }