The $\mbox{\lfbox[rounded]{longfbox}}${math-needpdf=true} package
texblog – Page 5 – because LaTeX matters
The pbox package
LaTeX/Boxes - Wikibooks, open books for an open world
How to make boxed text with LaTeX
How to display formulas inside a box or frame in Latex ? \boxed - math-linux.com
How to draw a colored framebox without filling the background? - LaTeX4technics
4.7.1 Framed Boxes
TeXclip
How to use Boxes in LaTeX (Latex Advanced Tutorial-07) - YouTube
LaTeX/Boxes - Wikibooks, open books for an open world
fbox has very thick lines - TeX - LaTeX Stack Exchange
LaTeX -
Exam question with \fbox - TeX - LaTeX Stack Exchange
![天地有情 [LaTeX] fbox --- \fbox の拡張バージョン](https://blog-imgs-115.fc2.com/k/o/n/konoyonohana/fbox01.png "天地有情 [LaTeX] fbox --- \fbox の拡張バージョン")
天地有情 [LaTeX] fbox --- \fbox の拡張バージョン
A Pandoc filter which sets LaTeX text/background/frame color(s) on Span and Div elements based on Pandoc attributes. · GitHub
How can I write in a box with fixed height? - TeX - LaTeX Stack Exchange
Frame Box in Latex in Tamil - YouTube
The minipage environment - LaTeX-Tutorial.com
Different Kinds of Boxes in Latex - TAE
LaTeX/Boxes - Wikibooks, open books for an open world
line breaking - how to get a newline in \fbox? - TeX - LaTeX Stack Exchange
horizontal alignment - Centering a \framebox - TeX - LaTeX Stack Exchange
