:root {
    --prussian-blue: #003049ff;
    --maximum-red: #d62828ff;
    --orange: #f77f00ff;
    --maximum-yellow-red: #fcbf49ff;
    --lemon-meringue: #eae2b7ff;
    --alert-success-text: #0f5132;
    --alert-success-background: #d1e7dd;
    --alert-success-border: #badbcc;
    --alert-danger-text: #842029;
    --alert-danger-background: #f8d7da;
    --alert-danger-border: #f5c2c7;
  }
  
  * {
    box-sizing: border-box;
  }
  
  body {
    margin: 0;
    font-family: "Poppins", sans-serif;
    line-height: 1.4;
    font-size: 10px;
  }
  
  .header {
    color: var(--lemon-meringue);
    font-size: 1.4rem;
    background-color: var(--prussian-blue);
  }
  
  .nav-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  
  .nav-item {
    padding: 2rem;
  }
  
  .nav-item a {
    text-decoration: none;
    color: var(--lemon-meringue);
  }
  
  .main {
    font-size: 1rem;
  }
  
  .container {
    margin: 0 2rem;
    padding: 4rem;
  }
  
  .start-container {
    text-align: center;
  }
  
  .title {
    font-size: 3rem;
    font-weight: 400;
  }
  
  .btn {
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 0.4rem;
    font-size: 1rem;
    letter-spacing: 0.2rem;
    font-weight: 600;
    background-color: var(--lemon-meringue);
    color: #000;
    min-width: 200px;
    margin-bottom: 1rem;
  }
  
  .btn:hover {
    background-color: var(--maximum-yellow-red);
    cursor: pointer;
    color: #fff;
  }
  
  .question-container {
    text-align: center;
  }
  
  .question {
    font-size: 1.2rem;
    font-weight: 400;
    margin-bottom: 4rem;
  }
  
  .options-container {
    display: flex;
    flex-direction: column;
    margin: 1rem 2rem;
  }
  
  .option-item {
    margin: 1rem 0;
    padding: 1rem;
    background-color: var(--prussian-blue);
    color: #fff;
    border: none;
    border-radius: 0.2rem;
    font-size: 1rem;
    letter-spacing: 0.1rem;
  }
  
  .option-item:hover {
    background-color: var(--maximum-yellow-red);
    cursor: pointer;
    color: #000;
  }
  
  .answer-alert {
    position: relative;
    padding: 1rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
  }
  
  .answer-alert-success {
    color: var(--alert-success-text);
    background-color: var(--alert-success-background);
    border-color: var(--alert-success-border);
  }
  
  .answer-alert-danger {
    color: var(--alert-danger-text);
    background-color: var(--alert-danger-background);
    border-color: var(--alert-danger-border);
  }
  
  .score-form {
    text-align: center;
    background-color: var(--prussian-blue);
    color: var(--lemon-meringue);
    margin-top: 4rem;
  }
  
  .form-container {
    display: flex;
    flex-direction: column;
  }
  
  .form-item {
    margin: 1rem 0;
  }
  
  .form-item input {
    padding: 1rem 0.5rem;
    font-size: 1rem;
    width: 75%;
  }
  
  .game-over {
    text-align: center;
    background-color: var(--prussian-blue);
    color: var(--lemon-meringue);
    margin-top: 4rem;
  }
  
  .highscores-list {
    list-style: none;
    font-size: 1rem;
  }
  
  .highscore-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    padding: 1rem;
    background-color: var(--maximum-yellow-red);
    margin-bottom: 0.2rem;
  }
  
  .highscore-container:hover {
    background-color: var(--lemon-meringue);
  }
  
  .btn-container {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
  }
  
  @media screen and (max-width: 576px) {
    .nav-container {
      flex-direction: column;
      align-items: center;
    }
  
    .container {
      margin: 4rem 1rem;
      padding: 2rem;
    }
  
    .form-item input {
      width: 100%;
    }
  
    .btn-container {
      flex-direction: column;
      align-items: center;
    }
  }