.btn-mono {
  background: linear-gradient(45deg, #000000, #3a3a3a); /* Monobank Black style */
  color: white;
  border: none;
  padding: 15px 40px;
  font-size: 1.2rem;
  font-weight: bold;
  border-radius: 50px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-mono:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 25px rgba(0, 0, 0, 0.3);
  color: #fff;
}

/* IBAN Card Styling */
.requisites-card {
  background-color: white;
  border: 2px dashed #ccc;
  border-radius: 15px;
}
main {
  background: url('img/donate-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
}