body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f9f9f9;
}

header {
  background-color: #4CAF50;
  color: white;
  padding: 20px;
  text-align: center;
}

main {
  padding: 20px;
}

.item {
  background-color: white;
  border-radius: 8px;
  padding: 15px;
  margin-bottom: 20px;
  box-shadow: 0 0 5px rgba(0,0,0,0.1);
}

.item h2 {
  margin-top: 0;
}

input, textarea {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  margin-bottom: 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  padding: 10px 20px;
  background-color: #4CAF50;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}