\documentclass[10pt]{article}
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\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{color}
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\begin{document}
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{\color{MyColour}
$$\underbrace{{\it f}({\rm DokuWiki}) = \overbrace{[a+b=c]}^\textrm{\LaTeX}}_{Success!}$$
}\end{document}