html,
body {
  width: 1vw;
  height: 1vh;
  margin: 0;
  padding: 0;
}

* {
  font-family: sans-serif;
}

h1,
h4 {
  margin: 0 5px;
}

div {
  width: 500px;
  height: 600px;

  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;

  margin: auto;

  display: flex;
  flex-direction: column;
  align-items: center;
}