body {
  height: 100%;
  width: 100%;
  background-image: url(https://fs.cdn-chatium.io/thumbnail/image_bXkpfHZFGu.2393x2250.png/s/400x400);
  background-size: 196px;
  background-color: #f8f8f8;
  padding: 0;
  margin: 0;
}