panqueques.sty

\usetheme{metropolis} %set theme
\setbeamercolor{frametitle}{bg=black,fg=white} 
%\setbeamertemplate{frame footer}{\textbf{\insertshorttitle}}
\setbeamertemplate{frame numbering}[footline]


\usepackage{graphicx} %required for inserting images

%\usepackage[shortlabels]{enumitem} %items

\usepackage{amsmath, amsthm, amssymb} %math writing

\usepackage[default]{gillius} %font design
\usepackage{sfmath}
\usepackage{sansmathaccent} 

\usepackage{tikz} %drawing

\usepackage{authoraftertitle} %for title use in doc

\usepackage{hyperref} %references, links, etc 

\usepackage[most]{tcolorbox} %boxes
\tcbuselibrary{skins} 
\tcbuselibrary{listings,breakable}

\newtcolorbox{tbee}[1][] %minimalist box design
{
enhanced,attach boxed title to top left={xshift=4mm,yshift=-3mm,yshifttext=-1mm},
colback=white,
colframe=black,
colbacktitle=black,
coltitle=white,
arc=4mm,boxrule=2pt,
title= #1,
fonttitle = \fontfamily{qag}\selectfont\large\bfseries,
halign=flush left,
boxed title style={size=small,colframe=white,arc=2mm}
}

\newenvironment{bee}[1][]{
    \begin{tbee}[#1]
 }{
   \end{tbee}
}

\usepackage{amssymb}