example17.tex

\documentclass{article}
\usepackage{lipsum}
\usepackage{fourier-orns}
\usepackage{boxedminipage}
\usepackage{fancyhdr}
\pagestyle{fancy}

\setlength\headheight{14.4pt}

\renewcommand\headrule{\vspace{-6pt}\hrulefill
 \raisebox{-2.1pt}
   {\quad\decofourleft\decotwo\decofourright\quad}\hrulefill}

\renewcommand\footrule{\hrulefill
\raisebox{-2.1pt}
  {\quad\decofourleft\decotwo\decofourright\quad}\hrulefill}

\begin{document}

\tableofcontents

\section{Introduction}

\begin{boxedminipage}{\textwidth}
This is example 17 in the fancyhdr documentation.\\
Using defaults in article class but with fourier decoration in \verb|\headrule| and \verb|\footrule|.
\begin{verbatim}
\usepackage{fourier-orns}
 . . .
\renewcommand\headrule{\vspace{-6pt}\hrulefill
 \raisebox{-2.1pt}
   {\quad\decofourleft\decotwo\decofourright\quad}\hrulefill}

\renewcommand\footrule{\hrulefill
\raisebox{-2.1pt}
  {\quad\decofourleft\decotwo\decofourright\quad}\hrulefill}
\end{verbatim}
\end{boxedminipage}

\subsection{The Problem}
\label{sec:problem}

\lipsum[1]

\subsection{Evaluation}

\lipsum


\end{document}