* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000000;
}

.logo {
  max-width: 40vw;
  max-height: 40vh;
  width: auto;
  height: auto;
}