hacksoc.sty

\usepackage{amsfonts, amsmath, amsthm}
\usepackage[sfdefault]{cabin}
\usepackage[T1]{fontenc}
\usepackage[T1]{fontenc}
\usepackage{graphicx}
\usepackage{epigraph}

\graphicspath{ {./images/} }

\usetheme{Madrid}
\usecolortheme{dolphin}
\beamertemplatenavigationsymbolsempty
\definecolor{hacksoc_green}{RGB}{0, 149, 59}

% Sets Colours for Titles Bullet Points
\setbeamercolor*{structure}{fg=hacksoc_green}

% Set math mode to look normal
\usefonttheme[onlymath]{serif}

% Sets Colours for Bottom Bar
\setbeamercolor*{palette primary}{use=structure,fg=white,bg=hacksoc_green}
\setbeamercolor*{palette secondary}{use=structure,fg=white,bg=hacksoc_green}
\setbeamercolor*{palette tertiary}{use=structure,fg=white,bg=hacksoc_green}

\setbeamertemplate{footline}
{
  \leavevmode%
  \hbox{%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{author in head/foot}%
    \usebeamerfont{author in head/foot}\insertshortauthor\expandafter\ifblank\expandafter{\beamer@shortinstitute}{}{~~(\insertshortinstitute)}
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,center]{title in head/foot}%
    \usebeamerfont{title in head/foot}\insertshorttitle
  \end{beamercolorbox}%
  \begin{beamercolorbox}[wd=.333333\paperwidth,ht=2.25ex,dp=1ex,right]{date in head/foot}%
    \usebeamerfont{date in head/foot}\insertshortdate{}\hspace*{\fill}
    \insertframenumber{} / \inserttotalframenumber\hspace*{1ex}
  \end{beamercolorbox}}%
  \vskip0pt%
}

\newcommand{\ubcf}[1]{\usebeamercolor[fg]{#1}\usebeamerfont{#1}}

\setbeamertemplate{title page}{
  \center\includegraphics[height=3cm]{hacksoc logo.png}\par

  {\center\ubcf{title}\inserttitle\par}
  {\center\ubcf{subtitle}\insertsubtitle\par}

  {\center\ubcf{author}\insertauthor\par}
  {\center\ubcf{date}\insertinstitute\par} %I've swapped the styling of date and
  {\center\ubcf{institute}\insertdate\par} %institute, because date looks too big
}

\setbeamertemplate{frametitle} {{
  \@tempdima=\textwidth   \advance\@tempdima by\beamer@leftmargin%
  \advance\@tempdima by\beamer@rightmargin%
  \usebeamerfont{frametitle} \strut\insertframetitle\strut\par
}

{\ifx\insertframesubtitle\@empty\else
\usebeamerfont{framesubtitle}\usebeamercolor[fg]{framesubtitle}\strut\insertframesubtitle\strut\par
\fi}
\vspace{0.5em}
}

\AtBeginSection[]{{
\setbeamertemplate{logo}{}
  \begin{frame}
  \center\includegraphics[height=2.5cm]{hacksoc logo.png}\vspace{1em}\par
  \centering
  \begin{beamercolorbox}[sep=8pt,center,shadow=true,rounded=true]{title}
    \usebeamerfont{title}\insertsectionhead\par%
  \end{beamercolorbox}
  \end{frame}
}}

% This is a titleslide without the little (topright) hacksoc logo
\newcommand{\maketitleslide}{{\setbeamertemplate{logo}{}\begin{frame}\titlepage\end{frame}}}
\newcommand{\footsep}{${}^{\mathrm{,}}$}
% Default Values, may be overriden if necessary
\institute{Hacksoc Nottingham}
\logo{\includegraphics[height=1.2cm]{hacksoc logo.png}\vspace{220pt}}