switch to new theme due to old theme not liking newer versions. New theme seems kick-arse, however

themes/story/exampleSite/content/math.md

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+---
+title: Story's Mathematical Equation Typesetting
+date: "2018-08-20"
+url: "/math"
+description: "If you ever write equations or mathematical formulas, Story has the features you need."
+credit: "https://unsplash.com/photos/5mZ_M06Fc9g/download"
+image: "img/unsplash-photos-5mZ_M06Fc9g.jpg"
+thumbnail: img/unsplash-photos-5mZ_M06Fc9g.tn-500x500.jpg
+classes:
+- feature-math
+categories:
+- Demo
+---
+This article is a demo of Story's ability to typeset mathematical equations,
+both inline and in block form.
+<!--more-->
+
+Story uses the [KaTeX](https://khan.github.io/KaTeX/) library to typeset
+mathematical formulae in {{< math >}}\LaTeX{{< /math >}} notation. KaTeX is
+similar to MathJax, but simpler and faster. It provides most of the features
+needed for typesetting equations, both inline and in block form.
+
+Story provides a `math` Hugo shortcode to help avoid problems that result from
+Markdown processing. Here's an example of using the shortcode for inline math:
+
+<pre><code>The quadratic equation is &#123;{< math >}}x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}&#123;{< /math >}}.</code></pre>
+
+The quadratic equation is {{< math >}}x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}{{< /math >}}.
+
+And in equation mode,
+
+<pre><code>&#123;{< math >}}
+x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}
+&#123;{< /math >}}</code></pre>
+
+{{< math >}}
+x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}
+{{< /math >}}
+
+You don't have to use the shortcode, but it saves you from needing to
+backslash-escape special characters, and fixes problems like backslashes and
+spaces at the end of the line, which Hugo's Markdown processor will otherwise
+mangle. This enables frustration-free typesetting of more advanced equations
+such as the following:
+
+{{< math >}}
+\left\{
+\begin{array}{c}
+a_1x+b_1y+c_1z=d_1 \\
+a_2x+b_2y+c_2z=d_2 \\
+a_3x+b_3y+c_3z=d_3
+\end{array}
+\right.
+{{< /math >}}
+
+Math typesetting is controlled with the `feature-[no]math` flag.
+
+Read next: [Story's music notation](/music/).