body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #f4f4f4;
  color: #333;
}

header {
  background: #2c3e50;
  color: white;
  padding: 2em;
  text-align: center;
}

section {
  padding: 2em;
  max-width: 800px;
  margin: auto;
  background: white;
  margin-bottom: 1em;
  border-radius: 8px;
}

img {
  max-width: 100%;
  border-radius: 8px;
  margin-top: 1em;
}

ul {
  list-style: none;
  padding: 0;
}

ul li {
  margin: 0.5em 0;
}

form input, form textarea {
  width: 100%;
  padding: 0.8em;
  margin: 0.5em 0;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  background: #27ae60;
  color: white;
  border: none;
  padding: 1em;
  border-radius: 4px;
  cursor: pointer;
}

#puzzleZone {
  display: flex;
  justify-content: space-between;
  margin: 1em 0;
}

#puzzlePiece {
  width: 50px;
  height: 50px;
  background: #3498db;
  border-radius: 8px;
}

#puzzleTarget {
  width: 50px;
  height: 50px;
  border: 2px dashed #ccc;
  border-radius: 8px;
}

footer {
  text-align: center;
  padding: 1em;
  background: #ecf0f1;
}

header {
  text-align: center;
}

.logo {
  display: block;
  margin: 0 auto 1em auto;
  max-width: 100px;
  height: auto;
}