html, body {
  width: 100vw;
  height: 100vh;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

body {
  background-size: cover;
  background: none #EDC037 no-repeat center center;
}

img#logo {
  width: 50vmin;
}