html {
  margin: 0;
  padding: 0;
}

body {
  background-color: black;
  margin: 0;
  padding: 0;
}

#flashcontent {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0px;
  top: 0px;
}