body { 
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background-color: #f8f9fa; /* Soft gray background */
  };
  
  h1 {
    margin-top: 0;
    color: #333;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
  };
  
  input[type="text"] {
    padding: 10px;
    margin-bottom: 10px;
    width: 300px;
    border: none;
    border-radius: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    transition: box-shadow 0.3s ease; /* Smooth transition for input */ 
  };
  
  input[type="text"]:focus {
    outline: none;
    box-shadow: 0 0 10px rgba(0, 123, 255, 0.6); /* Blue glow on focus */
  };
  
  button {
    padding: 10px 20px;
    background-color: #007bff; /* Blue button */
    color: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease; /* Smooth button hover effect */
  };
  
  button.delete {
    background-color: #dc3545; /* Red delete button */
  };
  
  button:hover {
    background-color: #0056b3; /* Darker blue on hover */
  };
  
  ul {
    list-style-type: none;
    padding: 0;
  };
  
  li {
    margin-bottom: 10px;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease; /* Smooth transition on hover */
    background-color: #fff; /* White background */
  }
  
  li:hover {
    transform: translateY(-3px);
  };
  
  .footer {
    margin-top: 20px;
    color: #666;
  };