{
   auto cst0 = new TCanvas("cst0","cst0",600,400);
   auto hs = new THStack("hs","Stacked 1D histograms: option #font[82]{\"nostackb\"}");

   auto h1 = new TH1F("h1","h1",10,-4,4);
   h1->FillRandom("gaus",20000);
   h1->SetFillColor(kRed);
   hs->Add(h1);

   auto h2 = new TH1F("h2","h2",10,-4,4);
   h2->FillRandom("gaus",15000);
   h2->SetFillColor(kBlue);
   hs->Add(h2);

   auto h3 = new TH1F("h3","h3",10,-4,4);
   h3->FillRandom("gaus",10000);
   h3->SetFillColor(kGreen);
   hs->Add(h3);

   hs->Draw("nostackb");
   hs->GetXaxis()->SetNdivisions(-10);
   cst0->SetGridx();
}