void black(bool black=true, int print=0){
  
  TH2F *kip = new TH2F("kip", NULL, 10, 0, 10, 10, 0, 10);
  kip->SetStats(kFALSE);
  kip->GetXaxis()->SetAxisColor(kWhite);
  kip->GetYaxis()->SetAxisColor(kWhite); 
  kip->GetXaxis()->SetTitleColor(kWhite);
  kip->GetYaxis()->SetTitleColor(kWhite); 
  kip->SetLabelColor(kWhite, "X");
  kip->SetLabelColor(kWhite, "Y");
  
  gStyle->SetFrameBorderMode(0);
  gStyle->SetCanvasBorderMode(0);
  gStyle->SetCanvasBorderSize(0);
  gStyle->SetPadBorderMode(0);
  gROOT->ForceStyle(0);
  gStyle->SetCanvasColor(kBlack);
  gStyle->SetStatColor(kBlack);
  gStyle->SetFillColor(kBlack);
  gStyle->SetPadColor(kBlack);
 
  TCanvas *c0 = new TCanvas("c0", "c0");
  c0->SetBorderMode(0);
  c0->SetFillColor(kBlack);
  gPad->SetTopMargin(0.1);
  gPad->SetLeftMargin(0.12);
  gPad->SetRightMargin(0.05);
  gPad->SetGrid();
  gPad->SetTicks(0,0);
  kip->Draw();
  c0->Update();
}