.btn-modern,
.btn-exa {
  background: #172554 !important;
  color: #fff !important;
  border: 1px solid #172554 !important;
  border-radius: 8px !important;
  box-shadow: none !important;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: background 0.15s ease, color 0.15s ease;
}
.btn-modern:hover,
.btn-modern:focus,
.btn-exa:hover,
.btn-exa:focus {
  background: #0f1a3a !important;
  color: #fff !important;
  transform: none !important;
  box-shadow: none !important;
}
.btn-outline-primary {
  color: #172554;
  border-color: #172554;
}
.btn-outline-primary:hover {
  background: #172554;
  border-color: #172554;
  color: #fff;
}