body {
    font: 0.8em "tahoma", "sans-serif";
    background-color: #f5f5f5;
    margin: 0;
    padding: 0;
    text-align: center;
  }
  
  nav {
    background-color: #FFFFFF;
    border: 1px solid #CCCCFF;
    color: #333;
    padding: 1px;
    margin-bottom: 20px;
  }
  
  nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
  }
  
  nav ul li {
    margin-right: 20px;
    border-radius: 5px;
  }
  
  nav ul li a {
    text-decoration: none;
    color: #333;
    padding: 5px 10px;
    display: block;
  }
  
  .container {
    width: 80%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  
  .wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 9pt;
    background: #FFFFFF;
    padding: 20px;
    margin: 20px auto;
    width: 80%;
    color: #777777;
    border: 1px solid #CCCCFF;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }
  
  .result {
    text-align: center;
    font-size: 15pt;
    background: #FFFFFF;
    padding: 20px;
    margin: 20px auto;
    width: 80%;
    color: #777777;
    border: 1px solid #CCCCFF;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  }
  
  form {
    width: 100%;
    max-width: 400px;
    margin-top: 10px;
  }
  
  label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    text-align: left;
  }
  
  input {
    width: calc(100% - 16px);
    padding: 8px;
    margin-bottom: 20px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  .large-result {
    font-size: 1.5em;
    font-weight: bold;
    color: #4CAF50;
  }
  
  .small-result {
    font-size: 0.8em;
    color: #777;
  }
  
  .result div {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
  }