Using LaTeX to Create Anki Flashcards

Use LaTeX to format a deck of Anki flashcards containing mathematical notation.
Download Anki: apps.ankiweb.net/
Download my Anki decks here:
BC: ankiweb.net/shared/info/16302...
AB: ankiweb.net/shared/info/16446...
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LaTeX Header:
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\documentclass[12pt]{article}
\special{papersize=3in,5in}
\usepackage[T1]{fontenc}
\usepackage[utf8x]{inputenc}
\usepackage{libertine-type1}
\usepackage{biolinum-type1}
\usepackage{libertineMono-type1}
\usepackage[libertine]{newtxmath}

enewcommand{\familydefault}{\sfdefault}
\usepackage{amssymb,amsmath, amsfonts}
\usepackage{booktabs}
\usepackage{color}
\usepackage{multirow}
\usepackage{rotating}
\usepackage{graphicx}
\usepackage{wasysym}
\pagestyle{empty}
\setlength{\parindent}{0in}

ewcommand{
oun}[1]{\textsc{#1}}
\definecolor{blue}{RGB}{0,130,255}
\begin{document}
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STYLING
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.card {
font-family: arial;
font-size: 20px;
text-align: center;
color: black;
background-color: white;
}
img {
width: auto;
height: auto;
max-height:1000px;
}
.lesson {
font-size: 12pt;
color: blue;
text-align: left;
margin-bottom: 1em;
}