I want to remove border, set the box background to dark in the diagram below. I got no help from the document.
\begin{center}
\smartdiagramset{
set color list={blue,green,orange},
% border=none,
priority arrow width=2cm,
priority arrow height advance=2.25cm
}
\smartdiagram[priority descriptive diagram]{PGF,Ti\textit{k}Z,Smartdiagram}
\end{center}
Minimum EXample : https://www.overleaf.com/4876789zgmqhx#/14983098/
PLease help.