.wrapper:after {
  box-sizing: border-box;
  content: " ";
  display: block;
  width: 100%;
  padding-top: 0px;
  height: 100%;
  text-align: center;
  position: absolute;
  left: 0;
  right: 0;
  z-index:1;
}
html, body {
  padding-top: 0px;
  margin: 0;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}
html, center {
    margin: 0;
    height: 100%;
}
marquee {
  margin: 0;
 ;
}
#dvd {
  mix-blend-mode: hue;
}