.full-screen {
    position: relative;
    max-height: 90%;
    max-width: 90%;
    width: auto;
    height: auto;
    display: block;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    -webkit-animation: fadein .75s; /* Safari, Chrome and Opera > 12.1 */
    -moz-animation: fadein .75s; /* Firefox < 16 */
    -ms-animation: fadein .75s; /* Internet Explorer */
    -o-animation: fadein .75s; /* Opera < 12.1 */
    animation: fadein .75s;
  }

  @keyframes fadein {
      from { opacity: 0; }
      to   { opacity: 1; }
  }

  /* Firefox < 16 */
  @-moz-keyframes fadein {
      from { opacity: 0; }
      to   { opacity: 1; }
  }

  /* Safari, Chrome and Opera > 12.1 */
  @-webkit-keyframes fadein {
      from { opacity: 0; }
      to   { opacity: 1; }
  }

  /* Internet Explorer */
  @-ms-keyframes fadein {
      from { opacity: 0; }
      to   { opacity: 1; }
  }

  /* Opera < 12.1 */
  @-o-keyframes fadein {
      from { opacity: 0; }
      to   { opacity: 1; }
  }

  .overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgba(0,0,0,0.8);
    z-index: 9999;
  }

  .top-right {
    position: absolute;
    top: 8px;
    right: 16px;
  }

  .circle-x {
    border-radius: 20px;
    color: black;
    text-align: center;
    width: 20px;
    background: rgba(255,255,255,0.5);
  }
