a {
  padding: 10px 15px;
  background-color: blue;
  color: white;
  text-decoration: none;
}

.my-photo {
  width: 100%;
  max-width: 600px;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.25);
}