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Is there a way to specify different fonts for both typing and math mode in the tcolorbox environment. I want to use the default Computer Modern for most of my document, but use Concrete Fonts and Concrete math to define a theorem in the tcolorbox environment.

  • \fontfamily{}\selectfont is what you need, I think. – user156344 Feb 16 at 7:08
  • How is the font setup outside the box? – Ulrike Fischer Feb 16 at 7:13
  • Welcome to TeX.StackExchange. We would love to get something of what you tried to get somewhere near your solution. So, posting a Minimal Working Example will be highly appreciated in your post. – Partha D. Feb 16 at 13:22
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The manual for tcolorbox has a mention for three variables to set the fonts in the title, upper and lower parts of the box.

So, one may use the code:

\documentclass{article} 
\usepackage{tcolorbox}
\newcommand{\fon}[1]{\fontfamily{#1}\selectfont}  %% Courtesy: @JouleV
\begin{document}
Normal text using default (Computer Modern Roman) font\ldots\medskip

%
\begin{tcolorbox}[fonttitle=\fon{pbk}\bfseries,
                  fontupper=\fon{ppl}\itshape,
                  fontlower=\fon{put}\scshape,
                  title=Tcolorbox using Bookman font in bold]
Upper part with Palatino font in italics.
\tcblower
Lower part with Utopia font in smallcaps.
\end{tcolorbox}
%
\end{document}

to get something like:

enter image description here

I'm not sure of how to bring in the Concrete font, as it being a Type-I font, requires different implementation.

  • You can get Concrete font by font code ccr. However, this doesn't change the math font. – user156344 Feb 16 at 13:25
  • @JouleV But I think it also requires some package like concrete, beton or ccfonts \usepackage[T1]{fontenc} as listed here. Maybe the code should also be compiled in LuaLaTeX or XeTeX to have the Concrete font take effect... however I tried several of these options-- to no avail. It would be great if you could post a solution ! – Partha D. Feb 16 at 13:43

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