\newenvironment{myfbox}[1]%
{ \begin{tabular}{|@{\hspace{1em}}c@{\hspace{1em}}|} 
\hline \\*[-.4\baselineskip] 
    \begin{minipage}[t]{#1} }%
{\end{minipage} \\ \vspace{-.4\baselineskip} \\
\hline \end{tabular} }
