* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Open Sans', sans-serif;
    background-color: #f5f5f5;
    color: #333;
    padding: 20px;
  }
  
  .container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }
  
  header h1 {
    text-align: center;
    margin-bottom: 20px;
  }
  
  .progress-bar {
    width: 100%;
    height: 10px;
    background: #e0e0e0;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 20px;
  }
  
  .progress {
    width: 0%;
    height: 100%;
    background: #007bff;
    transition: width 0.3s ease;
  }
  
  .form-section {
    display: none;
  }
  
  .form-section.active {
    display: block;
  }
  
  label {
    display: block;
    margin-bottom: 10px;
  }
  
  input, select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }
  
  .navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
  }
  
  button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  #prev-btn {
    background: #ccc;
  }
  
  #next-btn {
    background: #007bff;
    color: #fff;
  }
  
  #submit-btn {
    background: #28a745;
    color: #fff;
  }