h1 {
  color: Grey;
  text-align: center;
} 

body { background-repeat:no-repeat;
 			 height: auto;
  		width: auto;
   background-image: url("https://dovethemes.com/wp-content/uploads/2016/11/A-Dark-Starry-Night-Wallpaper.jpg");
}

input {display: block; margin: auto;}

button{display: block; margin: auto;}