body {
    font-family: Arial;
    margin: 50px auto;
    width: 400px;
    text-align: center;
  }
  .soal {
    font-weight: bold;
    margin-bottom: 15px;
  }
  .pilihan button {
    display: block;
    width: 100%;
    margin: 5px 0;
    padding: 10px;
    cursor: pointer;
  }
  #skor {
    margin-top: 20px;
    font-size: 20px;
    font-weight: bold;
  }