/* Reset default styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  /* Body and overall layout */
  body {
    font-family: "Poppins", sans-serif;
    background-color: #f4f4f9;
    color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  
  /* Main container for the app */
  .app-container {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 30px;
    width: 300px;
    text-align: center;
  }
  
  /* Header style */
  h1 {
    font-size: 24px;
    color: #333;
    margin-bottom: 20px;
  }
  
  /* Input box for new task */
  #new-task {
    width: 80%;
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
  }
  
  /* Button style */
  #add-task {
    padding: 10px 15px;
    background-color: #657b66;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
  }
  
  #add-task:hover {
    background-color: #e6e6e6;
  }
  
  /* Task list */
  ul#task-list {
    list-style-type: none;
    margin-top: 20px;
    padding: 0;
  }
  
  ul#task-list li {
    background-color: #fafafa;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    border: 1px solid #ddd;
  }
  
  ul#task-list li.completed {
    background-color: #d3ffd3;
    text-decoration: line-through;
  }
  
  button.delete {
    background-color: #c9c9c9;
    color: white;
    border: none;
    padding: 5px 10px;
    border-radius: 4px;
    cursor: pointer;
  }
  
  button.delete:hover {
    background-color: #9d8282;
  }