/* General page setup */
body {
  margin: 0;
  background: url('images/santa-card.jpg') no-repeat center center fixed;
  background-size: cover;
  font-family: 'Comic Sans MS', cursive;
}

/* Transparent clickable zone over the letter */
.letter-link {
  position: absolute;
  bottom: 40px;   /* distance from bottom of page */
  right: 40px;    /* distance from right side */
  width: 300px;   /* adjust to match letter’s width */
  height: 200px;  /* adjust to match letter’s height */
  cursor: pointer;
  display: block;
}

/* Optional: temporary debug style to see the clickable area */
.letter-link.debug {
  background: rgba(255, 0, 0, 0.3);
}