html, body {
  height: 100%;
  margin: 0; /* Remove default body margin */
  padding: 0; /* Remove default body padding */
}

img {
  width: 100vw; /* 100% of viewport width */
  height: 100vh; /* 100% of viewport height */
  object-fit: cover; /* Image will cover the entire space, cropping if necessary */
  display: block; /* Remove extra space below the image */
}