body {
  background: #1a1a1a;
}
.iframe {
  filter: invert(98%)

}
body, html {

    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    display:table;
}
body {
    display:table-cell;
    vertical-align:middle;
}
.iframe, .span {
    display:table;/* shrinks to fit conntent */
    margin:auto;
}
.span {
  color: #9999ff;
  font-family: Lato;
  font-weight: bold;
  font-size: 2rem;
}
marquee {
  flex: 1;
  position: absolute;
  bottom:0;
  right:0;
  margin: 5px;
  margin-right: 8px;
  color: #7c7c7c !important;
  font-family: Lato;
  -webkit-animation: fadeinout 4s linear forwards;
  animation: fadeinout 4s linear forwards;
  opacity: 0;
  animation-iteration-count: infinite;
}
  @-webkit-keyframes fadeinout {
    50% { opacity: 1; }
  }

  @keyframes fadeinout {
    50% { opacity: 1; }
  }