%Usage \begin{paperbox}[options]{title}[color]
\DeclareTColorBox{paperbox}{O{} m O{paperboxcolor}}{%
	before upper={\nottoggle{justified}{\RaggedRight}},
	frame hidden,
	boxrule=0pt,
	enhanced,
	before skip=11pt plus 1pt,
	toptitle=3mm,
	boxsep=0.25ex,
	left=8pt,
	right=8pt,
	fonttitle=\jebba@BoxTitleFont\color{black},
	fontupper=\jebba@BoxBodyFont,
	title={#2},
	arc=0mm,
	parbox=false,
	borderline north={1pt}{-0.5pt}{black},
	borderline south={1pt}{-0.5pt}{black},
	colback={#3},
	colbacktitle={#3},
	fuzzy shadow={0mm}{-3.5pt}{-0.5pt}{0.4mm}{black!60!white},
	overlay={%
		\fill[black] (frame.south west) -- ++ (7pt,0) -- ++ (0,-5pt) -- cycle;
		\fill[black] (frame.north west) -- ++ (7pt,0) -- ++ (0,5pt) -- cycle;
		\fill[black] (frame.north east) -- ++ (-7pt,0) -- ++ (0,5pt) -- cycle;
		\fill[black] (frame.south east) -- ++ (-7pt,0) -- ++ (0,-5pt) -- cycle;
		},
	after={\vspace{10pt plus 1pt}\noindent},
	#1
}
