.container {
    max-width: 1100px;
    margin: 0 auto;
    overflow: auto;
    padding: 0 40px;
  }
  
  .card {
    background-color: #fff;
    color: #333;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    padding: 20px;
    margin: 10px;
  }
  
  .btn {
    display: inline-block;
    padding: 10px 30px;
    cursor: pointer;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 5px;
  }
  
  .btn-outline {
    background-color: transparent;
    border: 1px #fff solid;
  }
  
  .btn:hover {
    transform: scale(0.98);
  }
  
  /* Backgrounds & colored buttons */
  .bg-primary,
  .btn-primary {
    background-color: var(--primary-color);
    color: #fff;
  }
  
  .bg-secondary,
  .btn-secondary {
    background-color: var(--secondary-color);
    color: #fff;
  }
  
  .bg-dark,
  .btn-dark {
    background-color: var(--dark-color);
    color: #fff;
  }
  
  .bg-light,
  .btn-light {
    background-color: var(--light-color);
    color: #333;
  }
  
  .bg-primary a,
  .btn-primary a,
  .bg-secondary a,
  .btn-secondary a,
  .bg-dark a,
  .btn-dark a {
    color: #fff;
  }
  
  /* Text colors */
  .text-primary {
    color: var(--primary-color);
  }
  
  .text-secondary {
    color: var(--secondary-color);
  }
  
  .text-dark {
    color: var(--dark-color);
  }
  
  .text-light {
    color: var(--light-color);
  }
  
  /* Text sizes */
  .lead {
    font-size: 20px;
  }
  
  .sm {
    font-size: 1rem;
  }
  
  .md {
    font-size: 2rem;
  }
  
  .lg {
    font-size: 3rem;
  }
  
  .xl {
    font-size: 4rem;
  }
  
  .text-center {
    text-align: center;
  }
  
  /* Alert */
  .alert {
    background-color: var(--light-color);
    padding: 10px 20px;
    font-weight: bold;
    margin: 15px 0;
  }
  
  .alert i {
    margin-right: 10px;
  }
  
  .alert-success {
    background-color: var(--success-color);
    color: #fff;
  }
  
  .alert-error {
    background-color: var(--error-color);
    color: #fff;
  }
  
  .flex {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
  }
  
  .grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    justify-content: center;
    align-items: center;
    height: 100%;
  }
  
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  /* Margin */
  .my-1 {
    margin: 1rem 0;
  }
  
  .my-2 {
    margin: 1.5rem 0;
  }
  
  .my-3 {
    margin: 2rem 0;
  }
  
  .my-4 {
    margin: 3rem 0;
  }
  
  .my-5 {
    margin: 4rem 0;
  }
  
  .m-1 {
    margin: 1rem;
  }
  
  .m-2 {
    margin: 1.5rem;
  }
  
  .m-3 {
    margin: 2rem;
  }
  
  .m-4 {
    margin: 3rem;
  }
  
  .m-5 {
    margin: 4rem;
  }
  
  /* Padding */
  .py-1 {
    padding: 1rem 0;
  }
  
  .py-2 {
    padding: 1.5rem 0;
  }
  
  .py-3 {
    padding: 2rem 0;
  }
  
  .py-4 {
    padding: 3rem 0;
  }
  
  .py-5 {
    padding: 4rem 0;
  }
  
  .p-1 {
    padding: 1rem;
  }
  
  .p-2 {
    padding: 1.5rem;
  }
  
  .p-3 {
    padding: 2rem;
  }
  
  .p-4 {
    padding: 3rem;
  }
  
  .p-5 {
    padding: 4rem;
  }

  @media (max-width: 768px) {
    .test {
      font-size: 40px;
    }
  }