source/figures/style.tex

\usepackage{tikz,pgfplots,graphicx,amsmath,amssymb}
\usepackage[scaled=.96]{helvet}
% Embed Nimbus Sans outlines for Helvetica-compatible figure lettering.
\ifdefined\pdfmapline
\pdfmapline{=phvr8r NimbusSanL-Regu "TeXBase1Encoding ReEncodeFont" <8r.enc <uhvr8a.pfb}
\pdfmapline{=phvb8r NimbusSanL-Bold "TeXBase1Encoding ReEncodeFont" <8r.enc <uhvb8a.pfb}
\pdfmapline{=phvro8r NimbusSanL-ReguItal "TeXBase1Encoding ReEncodeFont" <8r.enc <uhvro8a.pfb}
\pdfmapline{=phvbo8r NimbusSanL-BoldItal "TeXBase1Encoding ReEncodeFont" <8r.enc <uhvbo8a.pfb}
\fi
\usetikzlibrary{arrows.meta,positioning,calc,fit,backgrounds,shadows.blur,decorations.pathreplacing,patterns,shapes.geometric}
\pgfplotsset{compat=1.18}
\definecolor{ink}{HTML}{171717}
\definecolor{teal}{HTML}{252525}
\definecolor{ochre}{HTML}{656565}
\definecolor{rose}{HTML}{444444}
\definecolor{muted}{HTML}{777777}
\definecolor{rule}{HTML}{CBD3D9}
\tikzset{every node/.style={font=\rmfamily\fontsize{8}{10}\selectfont,text=ink},
  link/.style={-{Stealth[length=1.8mm,width=1.25mm]},draw=ink,line width=.55pt},
  route/.style={draw=ink,line width=.55pt},
  box/.style={draw=rule,line width=.5pt,fill=white,inner sep=2.5mm,align=center},
  small/.style={font=\sffamily\fontsize{8}{10}\selectfont,text=muted}}
\pgfplotsset{journal/.style={width=75mm,height=52mm,scale only axis,
  axis line style={ink,line width=.5pt},tick style={ink,line width=.4pt},
  tick label style={font=\rmfamily\fontsize{8}{9}\selectfont,text=ink,/pgf/number format/fixed},
  label style={font=\rmfamily\fontsize{8}{10}\selectfont,text=ink},
  legend style={font=\rmfamily\fontsize{8}{10}\selectfont,draw=none,fill=none},
  grid style={rule,line width=.3pt},axis on top,clip=false}}

\usepgfplotslibrary{groupplots,fillbetween}
\definecolor{violet}{HTML}{4B4B4B}
\definecolor{paper}{HTML}{F5F7FA}

\hyphenpenalty=10000
\exhyphenpenalty=10000