body {
    font-family: 'Arial', sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background: linear-gradient(to right, #6DD5FA, #FF758C);
    color: #333;
  }
  
  #todo-app {
    width: 80%;
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  }
  
  #todo-form input[type="text"] {
    width: 70%;
    padding: 3px;
    border: 2px solid #ddd;
    border-radius: 4px;
    margin-right: 10px;
  }
  
  #todo-form button {
    padding: 10px 20px;
    background-color: #5F9EA0;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
  }
  
  #todo-form button:hover {
    background-color: #4682B4;
  }
  
  #todo-list {
    list-style: none;
    padding: 0;
  }
  
  #todo-list li {
    background-color: #f9f9f9;
    margin-top: 10px;
    padding: 10px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }