\AtEndOfPackage{
  \setlength{\shadeboxsep}{2pt}  
  \setlength{\shadeboxrule}{.4pt}  
  \setlength{\shadedtextwidth}{\textwidth}
  \setlength{\shadeleftshift}{-\shadeboxsep}
  \addtolength{\shadeleftshift}{-\shadeboxrule}
  \setlength{\shaderightshift}{\shadeleftshift}
  \definecolor{shadethmcolor}{cmyk}{0,.13,.11,0}  
  \definecolor{shaderulecolor}{cmyk}{0,0.88,0.85,0.35}
}