This is the standard beamer preamble I use for my slides

beamerHeader.tex

% toggle to ignore \pause in handout slides
%\documentclass[xcolor=dvipsnames,onlymath,12pt]{beamer}
\documentclass[xcolor=dvipsnames,onlymath,12pt,handout]{beamer}

% standard tools for graphics, math, and hyperlinks
\usepackage{graphics,amsmath,url,mathtools}
\usepackage{hyperref}

% package to pretty print code
\usepackage{minted}

% beamer stylistic preference
\usecolortheme[named=Sepia]{structure} 
\usetheme{default}
\usefonttheme{serif}

% blocks (theorems) etc.
\setbeamertemplate{blocks}[rounded][shadow=true]

% get rid of standard footer
\setbeamertemplate{navigation symbols}{}  

\setlength{\belowdisplayskip}{0pt}

% --- SOME SHORTCUTS ---

% "highlight" command
\newcommand{\highlight}[1]{\textcolor{BrickRed}{#1}}

% footnote symbol instead of numbers
\renewcommand{\thefootnote}{\fnsymbol{footnote}}

% if math equation too long, then scale size
\newcommand\scalemath[2]{\scalebox{#1}{\mbox{\ensuremath{\displaystyle #2}}}}


\title{Approximation}
\subtitle{Approximation of Functions}

\author{Sachin Shanbhag}
\institute{
  Department of Scientific Computing\\
  Florida State University,\\
  Tallahassee, FL 32306.\\[1ex]
}

%
%\titlegraphic{\includegraphics{linktologo.png}}
\date{}

\begin{document}

%--- the titlepage frame -------------------------%
\begin{frame}[plain]
  \titlepage
\end{frame}    
    
\maketitle

\end{document}