\mode<presentation>

\useinnertheme{circles}


\defbeamertemplate*{title page}{mjo}[1][]
{
  \vbox{}
  \vfill
  \begin{centering}
    \begin{beamercolorbox}[sep=0pt,center,#1]{title}
      \usebeamerfont{title}\inserttitle\par%
    \end{beamercolorbox}%
    \begin{beamercolorbox}[sep=0pt,center,#1]{title}
      \usebeamerfont{subtitle}\insertsubtitle\par%
    \end{beamercolorbox}%

    \vskip1em\par

    \begin{beamercolorbox}[sep=4pt,center,#1]{author}
      \usebeamerfont{author}\insertauthor
    \end{beamercolorbox}

    \vskip1em\par

    \begin{beamercolorbox}[sep=8pt,center,#1]{date}
      % The smaller "institute" font face looks better for this.
      \usebeamerfont{institute}\insertdate
    \end{beamercolorbox}
  \end{centering}
  \vfill
}


% Get rid of the navigation buttons.
\setbeamertemplate{navigation symbols}{}


% Leave the theorems alone.
\setbeamertemplate{theorem begin}{
  {
    \usebeamerfont*{block title}
    \usebeamercolor[fg]{block title}
    \inserttheoremname
    \inserttheoremnumber
    \ifx\inserttheoremaddition\@empty\else\ (\inserttheoremaddition)\fi%
    \inserttheorempunctuation
    \usebeamercolor[fg]{block body}
  }
  \usebeamerfont*{block body}
}

\setbeamertemplate{theorem end}{}

% No weird numbers-inside-bullets. Just number them dude.
\setbeamertemplate{enumerate items}[default]

% Use numbered references rather than the goofy document icon.
\setbeamertemplate{bibliography item}[text]

% Spacing is nice.
\setlength{\parskip}{1em}

% Don't break the line that "Proof." is on.
\setbeamertemplate{proof begin}{
  \usebeamerfont*{proof title}
  \usebeamercolor[fg]{proof title}
    \insertproofname
  \usebeamerfont*{block body}
  \usebeamercolor[fg]{block body}
}
\setbeamertemplate{proof end}{}