@media (max-width: 991.98px) {
  .navbar-collapse {
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='60' height='60' fill='none'/%3E%3Crect x='8' y='20' width='28' height='16' rx='2' stroke='%23fff' stroke-width='2' fill='none'/%3E%3Crect x='36' y='28' width='10' height='8' rx='1.5' stroke='%23fff' stroke-width='2' fill='none'/%3E%3Ccircle cx='16' cy='40' r='3' stroke='%23fff' stroke-width='2' fill='none'/%3E%3Ccircle cx='40' cy='40' r='3' stroke='%23fff' stroke-width='2' fill='none'/%3E%3C/svg%3E");
    background-size: 60px 60px;
    background-repeat: repeat;
    background-color: #13377a;
  }
}