fix xpbox shading

layout.sty

@@ -639,7 +639,7 @@ Roll & Result \\
 
 \newtcolorbox{rollchart}{tabularx={p{.25\linewidth}X},top=10pt,bottom=10pt}
 
-\newtcolorbox{xpbox}[1]{tabularx={lc},bottom=10pt,top=10pt,equal height group=#1}
+\newtcolorbox{xpbox}[1]{tabularx={lX},bottom=10pt,top=10pt,equal height group=#1}
 
 
 %%%%%%%%%%%%%%%%%%% COMMANDS %%%%%%%%%%%%%%%%%%%%

test.tex

@@ -81,6 +81,21 @@ Roll & Result \\\hline
 
 \lipsum[7]
 
+\begin{xpbox}
+		Attribute Level & Cost \\\hline
+
+		Buy off negative & 5 \\
+
+		+1 & 10 \\
+
+		+2 & 20 \\
+
+		+3 & 30 \\
+
+		+4 & 50 \\
+\end{xpbox}
+
+
 \subsection{And further more\ldots}
 
 \lipsum[10]