html {
  font-size: 16px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html, body
{
  height: 100%;
  margin:0;
  padding:0;
  background: #202020 !important;
  color: #ffffff;
}

div {
  position:relative;
  height: 90%;
  width:100%;
}

div img {
  position: fixed;
  height: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}