Slidestemplate

\documentclass[10pt,xcolor=dvipsnames]{beamer}
\usetheme[sectionpage=none,progressbar=foot,block=fill]{metropolis}

\usepackage[dvipsnames]{xcolor}
\setbeamercolor{title separator}{fg = Gray}
\setbeamercolor{progress bar in head/foot}{fg=Gray}

\usepackage[english]{babel}
\usepackage{cmap}       
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}

\usepackage{exscale}
\usepackage[l2tabu, orthodox]{nag}

\usepackage[hyperref=true, useprefix=true, maxbibnames=8, backend=biber]{biblatex}
\addbibresource{bibliography.bib}
\usepackage{subcaption}
\usepackage{booktabs}
\usepackage{url}
\usepackage{multirow}

\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{amsthm}
\usepackage{amsfonts}
\usepackage{thmtools}		
\usepackage{mleftright}

\usepackage{fixmath}
\usepackage{units}

\usepackage{enumitem}
\setlist[enumerate]{noitemsep, topsep=0.5\topsep}
\setlist[description]{noitemsep, topsep=0.5\topsep}
\setlist[itemize]{noitemsep, topsep=0.5\topsep}

\usepackage[capitalise,noabbrev]{cleveref}   
\usepackage{microtype}
\usepackage{ellipsis}
\usepackage{hfoldsty}

\usepackage{algorithm}
\usepackage{algorithmicx}
\usepackage{algpseudocode}
\algdef{SE}{ParForAllLoop}{EndParForAllLoop}[1]{\textbf{parallel for}\(\mbox{#1}\) \textbf{do}}{\textbf{end}}%

\usepackage{appendixnumberbeamer}
\usepackage[scale=2]{ccicons}


\usepackage[sfdefault]{FiraSans}
\usepackage{sfmath}

\newcommand{\new}[1]{\emph{#1}}
\newcommand{\cA}{\ensuremath{\mathcal A}}
\newcommand{\fA}{\ensuremath{\mathfrak{A}}}
\newcommand{\bA}{\ensuremath{\mathbb{A}}}

\setbeamerfont{title}{series=\firamedium}
\setbeamerfont{frametitle}{series=\firamedium}
\setbeamerfont{block title}{series=\firamedium}
\setbeamerfont{definition title}{series=\firamedium}

\title{Talk Title}
\subtitle{Subtitle}
\date{\today}
\author{Christopher Morris}
\institute{TU Dortmund University, Germany}
%\titlegraphic{\hfill\includegraphics[scale=0.24]{somegraphic.pdf}}

\begin{document}
\maketitle

\section{Motivation}
\begin{frame}[fragile]{Some title}
	This is a sentence.
\begin{block}{A Block}
	Some text.
\end{block}
\begin{definition}[Some Definition]
\begin{equation}
	A = B.
\end{equation}
\end{definition}
\end{frame}

\end{document}