body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
  }
  
  .pt-4 {
    padding-top: 1rem;
  }
  
  .bg-gray-100 {
    background-color: #f8f9fa;
  }
  
  .min-h-screen {
    min-height: 100vh;
  }
  
  .d-flex {
    display: flex;
  }
  
  .flex-column {
    flex-direction: column;
  }
  
  .align-items-center {
    align-items: center;
  }
  
  .pt-6 {
    padding-top: 1.5rem;
  }
  
  .sm\:pt-0 {
    padding-top: 0 !important;
  }
  
  .w-100 {
    width: 100%;
  }
  
  .sm\:max-w-2xl {
    max-width: 42rem;
  }
  
  .mt-6 {
    margin-top: 1.5rem;
  }
  
  .p-6 {
    padding: 1.5rem;
  }
  
  .bg-white {
    background-color: #fff;
  }
  
  .shadow-md {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  }
  
  .overflow-hidden {
    overflow: hidden;
  }
  
  .sm\:rounded-lg {
    border-radius: 0.5rem;
  }
  
  .h4 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    text-align: center;
  }
  
  .lead {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }
  
  .btn {
    display: inline-block;
    font-weight: 400;
    color: #fff;
    text-align: center;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-color: #007bff;
    border: 1px solid #007bff;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    text-decoration: none;
  }
  
  .btn:hover {
    color: #fff;
    background-color: #0069d9;
    border-color: #0062cc;
  }
  
  .btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
    display: flex;
    justify-content: center;
  }
  
  .btn-primary:hover {
    color: #fff;
    background-color: #0069d9;
    border-color: #0062cc;
  }
  
  a {
    color: inherit;
    text-decoration: none;
  }
  
  a:hover {
    text-decoration: underline;
  }