body, html {
    margin: 0;
    padding: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: baseline;
  }
  
  .calculator {
    /*width: 60%;
    max-width: 600px;*/
    background-color: #fff;
    padding: 2rem;
    margin: 2rem;
    border: 1px solid #333;
  }

  input {
    margin: 0 0.5rem;
    border-radius: 0;
    border: 1px solid #333;
  }
  
  .tab-content {
    display: block;
  }
  
  .question {
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }
  
  .question input[type="number"] {
   /* padding: 8px;
    margin-right: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;*/
  }
  
  .question span {
    
  }

  hr {
    border-top: 1px solid #333;
    margin-bottom: 1rem;
  }

  .answer-placeholder {
    display: inline-block;
    margin-left: 2rem;
  }