* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
}

body {
  margin: 0;
  background: #ffffff;
}

.logo-only {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.logo-only img {
  display: block;
  width: min(640px, 90vw);
  height: auto;
}