.blue-button {
  background: linear-gradient(135deg, #3498db, #2980b9);
  color: white;
  border: none;
  padding: 12px 24px;
  margin: 20px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.blue-button:hover {
  background: linear-gradient(135deg, #2980b9, #2573a7);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.blue-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.blue-button:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.3);
}