<style>
.dropdown-container {
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
}

.dropdown-select {
  width: 100%;
  padding: 10px;
  margin-bottom: 20px;
}

.dropdown-info {
  border: 1px solid #ccc;
  padding: 10px;
  margin-top: 10px;
  background-color: #f9f9f9;
}
</style>