Increase margins in magic explisting environment

I managed to solve the problem described in 74b5a27ec8 via the
fullwidth package.

resume.tex

@@ -7,6 +7,7 @@
 \usepackage{parskip}
 \usepackage{enumitem}
 \usepackage{titlesec}
+\usepackage{fullwidth}
 
 \setmainfont{Constantia}
 \setmonofont{DejaVu Sans Mono}
@@ -27,12 +28,14 @@
 
 \newenvironment{explisting}%
 {%
+  \begin{fullwidth}[width=.95\textwidth,skipabove=0ex,skipbelow=0ex]
   \hfill\begin{minipage}{.98\textwidth}
   \begin{small}
 }%
 {%
   \end{small}
   \end{minipage}
+  \end{fullwidth}
 }
 
 \newenvironment{expitemize}%