body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.todo-container {
  background: #fff;
  padding: 20px;
  border-radius: 8px;
  width: 300px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

h1 {
  text-align: center;
}

.input-area {
  display: flex;
  gap: 10px;
}

#taskInput {
  flex: 1;
  padding: 5px;
}

button {
  padding: 6px 10px;
  cursor: pointer;
}

ul {
  list-style: none;
  padding: 0;
  margin-top: 15px;
}

li {
  background: #eee;
  padding: 8px;
  margin-bottom: 8px;
  display: flex;
  justify-content: space-between;
  border-radius: 5px;
}