I need a trained eye. Which part of `\usepackage{tikzpagenodes}
\titleformat{\chapter}[block]%
{\relax\ifthenelse{\NOT\boolean{@tufte@symmetric}}{\begin{fullwidth}}{}}% format applied to label+text
{\begin{tikzpicture}[remember picture,overlay]
\node[anchor=north,inner sep=0pt,draw=gray,font=\itshape,text=black!10] at ([yshift=-147pt]current page marginpar area.north) {\resizebox{!}{5cm}{\thechapter}};
\end{tikzpicture}}% label
{0pt}% horizontal separation between label and title body
{\huge\rmfamily\itshape}% before the title body
You could alter the relevant documentclass definition wherein the \maketitle command is defined. But, don't do that. Your document will then compile differently for you than for others.
Try something like this:
\documentclass{article}
\author{Some random fellow\vspace{-2ex}% Toggle commenting ...
1. Compiling too early and too often.
Now you are spending your time working on fixing formatting and such that will change as soon as you add more text anyway and all the floats will move anyway.
2. Using floats when you don't have to. Floats are the devil, yet all tutorials use them. Most of ...
