html,
body {
  background: #ff7;

  display: flex;
  justify-content: center;
  align-items: center;

  min-height: 100vh;
}

h1 {
  width: 512px;
  height: 128px;

  margin: 0;

  background: url(./logo.svg) center no-repeat;
  background-size: contain;

  text-indent: -9999px;
}