.navbar {
    display: flex;
    justify-content: space-evenly;
}

.navbar>p, a{
    color:blue;
    font-size: 2em;
}
body{
    background: orange;
}

.iframe-container-swell{
    position: relative;
    overflow: hidden;
    width: 100%;
    padding-top: 200%; /* 16:9 Aspect Ratio (divide 9 by 16 = 0.5625) */
  }
  
  /* Then style the iframe to fit in the container div with full height and width */
  .responsive-iframe-swell {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    width: 100%;
    height: 100%;
    max-height: 100vh;
  }