body {
  font-family: sans-serif;
  background: #1e1e2f;
  color: #fff;
  padding: 2rem;
}
.container {
  max-width: 600px;
  margin: auto;
}
form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
select, button {
  padding: 0.5rem;
}
ul {
  list-style: none;
  padding: 0;
}
li {
  background: #2c2c3a;
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  border-radius: 4px;
}