body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

select {
  margin: 10px;
  padding: 5px;
}

#app {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
}

section {
  border: 1px solid #ccc;
  padding: 15px;
  width: 250px;
}

h2 {
  font-size: 18px;
  border-bottom: 1px solid #ccc;
  padding-bottom: 8px;
}