design

How to define custom colors in LaTeX

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There are different ways to define a specific color in LaTeX. Often, I just choose a predefined color from the xcolor package or define a color using the RGB color model. However, I personally like the red!40!blue notation best. This creates purple with 40% red and 60% blue. In this post, I will introduce these … [Read more…]

Fancy boxes for theorem, lemma, and proof with mdframed

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The mdframed package implements a box environment that automatically breaks boxes across multiple pages. Moreover, it allows flexible box designs. An example from the documentation that I particularly like is titled: “Theorem with separate header and the help of TikZ (complex)”. In this article, I use the example to create environments for theorems, lemmas, and … [Read more…]