body, html {
  background-color: #111;
  color: #fff;
  height: 100%;
  margin: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Arial, sans-serif;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

img {
  max-width: 100%;
  height: auto;
  margin-bottom: 1rem;
}