body {
    font-family: 'Arial', sans-serif;
    background-color: #f4f4f4;
    color: #333;
  }
  
  h1, h2, h3 {
    font-family: 'Comic Sans MS', cursive, sans-serif;
  }
  
  header {
    background: linear-gradient(to right, #343a40, #495057);
  }
  
  footer {
    background: linear-gradient(to right, #495057, #343a40);
  }
  
  .navbar-brand {
    font-weight: bold;
    color: #ffffff !important;
  }
  
  .btn-dark {
    background-color: #343a40;
    border: none;
  }
  
  .btn-dark:hover {
    background-color: #495057;
  }
  
  .brand-img {
    width: 1.5em;
    height: 1.5em;
    margin-right: 8px;
    vertical-align: middle;
  }

  .fixed-top {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1030;
    background-color: rgba(var(--bs-dark-rgb),var(--bs-bg-opacity)) !important;
    color: white !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }