body {
  font-family: Arial, sans-serif;
  margin: 30px;
  background: #f2f2f2;
}

h1, h2 {
  color: #222;
}

section, .item, #card {
  background: white;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 12px;
}

input {
  display: block;
  width: 100%;
  max-width: 400px;
  padding: 10px;
  margin: 8px 0;
}

button {
  padding: 10px 16px;
  cursor: pointer;
}

.item {
  border: 1px solid #ddd;
}