body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    padding: 50px 20px;
    display: flex;
    justify-content: center;
  }
  
  .container {
    background-color: #fff;
    padding: 20px 30px;
    border-radius: 10px;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  }
  
  h1 {
    text-align: center;
    color: #333;
  }
  
  .input-section {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
  }
  
  input[type="text"],
  input[type="date"] {
    flex: 1;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
  }
  
  button {
    padding: 10px 20px;
    background-color: #2c7;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #27b;
  }
  
  ul {
    list-style-type: none;
    padding: 0;
  }
  
  li {
    background-color: #eef;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  
  .task-info {
    flex: 1;
    margin-left: 10px;
  }
  
  .completed {
    text-decoration: line-through;
    color: #777;
  }
  
  .date {
    font-size: 0.9em;
    color: #666;
    margin-left: 10px;
  }
  
  .delete-btn {
    background-color: crimson;
    border: none;
    color: white;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
  }
  
  .delete-btn:hover {
    background-color: darkred;
  }