body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    margin: 0;
  padding: 0;
  }
  
  .container {
    max-width: 400px;
    /* position: left; */
    margin: 0 auto;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(255, 255, 255, 0.1);
  }
  
  h1 {
    text-align: center;
    color: #333333;
  }
  
  label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
  }
  
  input[type="number"] {
    width: 50%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #dddddd;
    border-radius: 3px;
  }
  
  select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #dddddd;
    border-radius: 3px;
    background-color: #ffffff;
  }
  .gender-select {
    width: 50%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #dddddd;
    border-radius: 3px;
    background-color: #ffffff;
  }
  
  button {
    width: 100%;
    padding: 12px;
    background-color: #082748;
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #07223e;
  }
  
  #result {
    margin-top: 15px;
    font-weight: bold;
    text-align: center;
    color: #333333;
  }