%%
 % Manhattan theme for LaTeX Beamer 3.07 or later   2009-03-31
 % Meant to resemble a look known from Keynote by Apple Inc.
 % Enable with \usetheme{Manhattan}
 %
 % Copyright (C) 2009 Sebastian Pipping <sebastian@pipping.org>
 %
 % Dual-licensed under
 %  1) Creative Commons Attribution-Noncommercial-ShareAlike 3.0 License
 %     http://creativecommons.org/licenses/by-nc-sa/3.0/
 %
 %  2) GNU General Public License 3.0 or later
 %     http://www.fsf.org/licensing/licenses/gpl.html
 %
 % Inspired by previous work by Shawn Lankton:
 % http://www.shawnlankton.com/2008/02/beamer-and-latex-with-keynote-theme/
 %%

% Default theme as a base
\usetheme{default}

% Background gradient
\definecolor{bottomcolour}{rgb}{0.32,0.3,0.38}
\definecolor{middlecolour}{rgb}{0.08,0.08,0.16}
\setbeamertemplate{background canvas}[vertical shading][bottom=bottomcolour, middle=middlecolour, top=black]

% Font
\renewcommand\sfdefault{phv}
\renewcommand\familydefault{\sfdefault}
\setbeamerfont{title}{size=\Huge}
\setbeamerfont{frametitle}{size=\huge}
\setbeamercolor{frametitle}{bg=, fg=white}
\setbeamercolor{title}{bg=, fg=white}
\setbeamercolor{normal text}{bg=black, fg=white}

% Structure
\setbeamertemplate{items}[circle]
\setbeamercolor{structure}{fg=white}
\setbeamercolor{item}{fg=gray}
\setbeamercolor{itemize item}{fg=white}
\setbeamercolor{itemize subitem}{fg=white}
\setbeamercolor{itemize subsubitem}{fg=white}

% Features
\setbeamertemplate{headline}{}
\setbeamertemplate{navigation symbols}{}
\setbeamertemplate{footline}{}