\startenvironment[tikz-style]

  \pgfplotsset{
    /pgfplots/layers/Bowpark/.define layer set={
        axis background,axis grid,main,axis ticks,axis lines,axis tick labels,
        axis descriptions,axis foreground
    }{/pgfplots/layers/standard}}

  \tikzset{cross/.style={cross out, draw, thick,
           minimum size=2*(#1-\pgflinewidth), inner sep=0pt, outer sep=0pt},
           % default radius will be 1pt. 
           cross/.default={1pt}}
  
\stopenvironment