body {
  
  margin: 10;
  max-width: 800px;
  background-color: #ffffff;
  align-items: center;
  padding: 10px;
  font: 1em / 1.5 system-ui;  
}
h1 { 
  color: red;
  padding: 20px;
  background-color: #fcfcfc;
  font: 2em / 1.5 system-ui;
}
a:hover {
  text-decoration: none;
}
img {
  display: block;
}