body {
  font-family: Arial, sans-serif;
  background: #f4f4f9;
  margin: 0;
  padding: 0;
}

.container {
  width: 80%;
  margin: auto;
  padding: 20px;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
}

.task-box {
  background: #fff;
  padding: 20px;
  margin: 15px 0;
  border-radius: 8px;
  box-shadow: 0px 2px 6px rgba(0,0,0,0.2);
}

.task-box h2 {
  margin-top: 0;
}

.task-box input {
  padding: 8px;
  margin: 5px 0;
  width: 70%;
}

.task-box button {
  padding: 8px 12px;
  margin-left: 5px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.task-box button:hover {
  background: #0056b3;
}

.task-box p, pre {
  margin-top: 10px;
  font-weight: bold;
}