\documentclass[tikz,dvisvgm]{standalone}
\usepackage[active,tightpage,auctex,dvips]{preview}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{ifxetex}
\usepackage{syd-plex}
\usepackage{quiver}
\usepackage{tikz}
\usepackage{amscd}
\usepackage{metalogo}

% {{preamble}}

\begin{document}
\setlength\abovedisplayskip{0pt} % Remove padding before equation environments.

% {{contents}}

\end{document}