body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #fefefe, #f6f6f6);
}

.bg-g4 {
  background: linear-gradient(to bottom right, #f76b00, #d75d00);
}

.btn-g4 {
  background-color: #f76b00;
  color: #fff;
  border: none;
  transition: all 0.3s ease-in-out;
}
.btn-g4:hover {
  background-color: #d75d00;
}

.login-card {
  border-radius: 20px;
  overflow: hidden;
}

@media (max-width: 767px) {
  .login-card {
    flex-direction: column;
  }
}

#countdown {
  letter-spacing: 1px;
}