body {
      font-family: Arial, sans-serif;
      background: #f5f5f5;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }
    .container {
      background: white;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0px 4px 10px rgba(0,0,0,0.2);
      width: 300px;
    }
    h2 { text-align: center; }
    ul { list-style: none; padding: 0; }
    li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #eee;
      margin: 5px 0;
      padding: 8px;
      border-radius: 5px;
    }
    button {
      margin-left: 5px;
      cursor: pointer;
    }
    #count {
      margin-top: 10px;
      display: block;
      text-align: center;
      font-weight: bold;
    }