body {
  font-family: Arial, sans-serif;
  text-align: center;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
}

h1 {
  color: #333;
}

img {
  display: block;
  margin: 20px auto;   /* centers the image */
  max-width: 100%;     /* scales image to fit screen width */
  height: auto;        /* keeps aspect ratio */
  border-radius: 8px;  /* optional: rounded corners */
}