*,
*::after,
*::before {
  box-sizing: border-box;
}
html,
body {
  background-image: url("https://assets.codepen.io/194946/paper.png");
  height: 100vh;
  width: 100vw;
  top: 0;
  left: 0;
  position: absolute;
}
object {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  height: 95vh;
  max-height: 800px;
  width: 80%;
  max-width: 800px;
}
@media all and (max-width: 768px) {
  object {
    width: 100%;
  }
}