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

body {
  background: #000;
  min-height: 100vh;
  display: flex;
  justify-content: center;
}

#playground {
  position: relative;
  width: 100%;
  max-width: 100%;
}

#bg-image {
  width: 100%;
  height: auto;
  display: block;
  object-position: center top;
}