\mdfsetup{%
splitbottomskip=0cm,%
splittopskip=0cm,%
innerrightmargin=0cm,%
innertopmargin=0cm,%
innerlinewidth=0pt,%
outerlinewidth=0pt,%
middlelinewidth=0pt,%
backgroundcolor=lila,%
tikzsetting={%
draw=yellow,%
line width=0pt,%
dashed,%
dash pattern=on 10pt off 5pt%
},%
rightline=false,%
bottomline=false%
}