body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  display: flex;
  justify-content: center;
  padding: 50px;
}

.container {
  background: #fff;
  padding: 20px;
  width: 400px;
  border-radius: 8px;
  box-shadow: 0 0 10px #ccc;
}

input, button {
  width: 100%;
  padding: 10px;
  margin: 5px 0;
}

button {
  cursor: pointer;
  background-color: #28a745;
  color: white;
  border: none;
  border-radius: 5px;
}

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

li {
  background: #eee;
  margin: 5px 0;
  padding: 10px;
  border-radius: 5px;
  display: flex;
  justify-content: space-between;
}

li button {
  background-color: #dc3545;
  padding: 5px 10px;
}