body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
    Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  background-color: #f0f2f5;
  display: flex;
  justify-content: center;
  padding-top: 50px;
  margin: 0;
}

.container {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 400px;
}

h1 {
  text-align: center;
  color: #333;
  margin-bottom: 1.5rem;
}

.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

input {
  flex: 1;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 16px;
}

button {
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 16px;
  transition: background-color 0.2s;
}

button:hover {
  background-color: #0056b3;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

li {
  padding: 10px;
  border-bottom: 1px solid #eee;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

li:last-child {
  border-bottom: none;
}