\documentclass[aspectratio=169]{beamer}
% nếu dùng tiếng Việt
%\usepackage[utf8x]{vietnam}
\usepackage[T5]{fontenc}
\usepackage{lipsum}
\usetheme{hust}
%\supervisorname{Supervisor:~}
\title{Beamer Theme HUST, powered by \LaTeX}
\subtitle{powerpoint is not my favourite format}
\author{Nguyễn Đức Hùng--20173520}
\date{\today}
\begin{document}
\section{Usage}
\begin{frame}[noframenumbering,Title]
\maketitle
\end{frame}
\begin{frame}{Contents}
\tableofcontents
\end{frame}
\section{Basic}
\begin{frame}[fragile=singleslide]{Basic Usage}
To use this theme:
\begin{verbatim}
\usetheme{hust}
\end{verbatim}
This theme support \verb|169| and \verb|43| ratio, this slide was made in \verb|169| aspectratio
\begin{itemize}
\item \verb|\usepackage[aspectratio=169]{beamer}|
\item \verb|\usepackage[aspectratio=43]{beamer}|
\end{itemize}
\end{frame}
\section{Title frame}
\begin{frame}[Title,fragile=singleslide]{Make title frame}
\large
To make a title frame, use \verb|Title| option. Also use \verb|noframenumbering| to prevent the title from being numbered.
\begin{verbatim}
\begin{frame}[Title,noframenumbering]
\maketitle
\end{frame}
\end{verbatim}
\end{frame}
\begin{frame}[t]
Test head sep
\end{frame}
\end{document}