\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage{textcomp}
\usepackage{gensymb}
\usepackage{graphicx}
\usepackage{multicol}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{physics}
\usepackage{hyperref}
\usepackage{cancel}
\usepackage{esvect}

\newcommand{\der}[2][]{\frac{\mathrm d #1}{\mathrm d #2}}
\newcommand{\dx}[1][x]{\,\mathrm d#1}
\newcommand{\px}[2][f]{\frac{\partial #1}{\partial #2}}

\pagestyle{plain}

\title{YOUR TITLE HERE}
\author{YOUR NAME}
\date{\today}

\begin{document}
	\maketitle

\end{document}