
html {
  text-align: center;
}

#input {  
  margin: 3rem;
}

#logo {
  width: 50%;
  height: 50%;
  margin: auto;
  display: block;
  background-position: center; 
  background-size: cover;
  background-image: url("data:image/png;base64,[encoded data, 113380 characters]");
}