body {
  background: linear-gradient(to bottom, white, orange);
  margin: 0;
  font-family: Arial, sans-serif;
  color: #333;
}

h1, h2, h3 {
  text-align: center;
}

.image-box img {
  width: 100%;
  max-width: 500px;
  height: auto;
  display: block;
  margin: 20px auto;
}
ul {
  max-width: 600px;
  margin: 0 auto 20px auto;
  padding: 0;
  list-style-type: disc;
}

li {
  margin: 5px 0;
}
.thank {
  color: rgb(117, 0, 0);
  text-align: center;
}