diff --git a/src/posts/secd.md b/src/posts/secd.md
index 490aded..36017c1 100644
--- a/src/posts/secd.md
+++ b/src/posts/secd.md
@@ -76,43 +76,21 @@ data Inst
 
 All stacks grow from right to left, that is, the left most element is at the top of the stack.
 
-{% katexmm %}
-<table>
-	<tr>
-		<th align=center colspan="3">Before</th><th align=center colspan="3">After</th>
-	</tr>
-	<tr>
-		<th>Control</th><th>Env</th><th>Stack</th><th>Control</th><th>Env</th><th>Stack</th>
-	</tr>
-	<tr>
-		<td>Const i : c</td><td>e</td><td>s</td><td>c</td><td>e</td><td>i : s</td>
-	</tr>
-	<tr>
-		<td>Global i : c</td><td>e</td><td>s</td><td>c</td><td>e</td><td>Globals[i] : s</td>
-	</tr>
-	<tr>
-		<td>Local i : c</td><td>e</td><td>s</td><td>c </td><td> e</td><td>e[i] : s</td>
-	</tr>
-	<tr>
-		<td>Closure n a : $c_1$  ... $c_n$ : c</td><td>e</td><td>s</td><td>c</td><td>e</td><td>Closure a {e} [$c_1$  ... $c_n$] : s</td>
-	</tr>
-	<tr>
-		<td>App : c</td><td>e</td><td>Closure {e'} [c'] : v : s</td><td>c'</td><td>v : e'</td><td>Closure$^0$ {e} [c] : s</td>
-	</tr>
-	<tr>
-		<td>App : c</td><td>e</td><td>Closure$^n$ {e'} [c'] : v : s</td><td>c</td><td>e</td><td>Closure$^{n - 1}$ {v : e'} [c'] : s</td>
-	</tr>
-	<tr>
-		<td>Ret : c </td><td>e</td><td>v : Closure$^0$ \{e'\} [c'] : s </td><td> c'</td><td>e' </td><td> v : s</td>
-	</tr>
-	<tr>
-		<td>Dup : c</td><td>e</td><td>v : s</td><td>c</td><td>e</td><td>v : v : s</td>
-	</tr>
-	<tr>
-		<td>Add : c </td><td>e</td><td>v : s</td><td>c</td><td>e</td><td>v + v : s</td>
-	</tr>
-</table>
-{% endkatexmm %}
+<style>
+th { text-align: left; }
+</style>
+| Before                              |     |                                  | After   |        |                                         |
+| ----------------------------------- | --- | -------------------------------- | ------- | ------ | --------------------------------------- |
+| Control                             | Env | Stack                            | Control | Env    | Stack                                   |
+| Const i : c                         | e   | s                                | c       | e      | i : s                                   |
+| Global i : c                        | e   | s                                | c       | e      | Globals\[i\] : s                        |
+| Local i : c                         | e   | s                                | c       | e      | e\[i\] : s                              |
+| Closure n a : $c\_1$ ... $c\_n$ : c | e   | s                                | c       | e      | Closure a {e} \[$c\_1$ ... $c\_n$\] : s |
+| App : c                             | e   | Closure {e'} \[c'\] : v : s      | c'      | v : e' | Closure⁰ {e} \[c\] : s                  |
+| App : c                             | e   | Closureⁿ {e'} \[c'\] : v : s     | c       | e      | Closureⁿ⁻¹ {v : e'} \[c'\] : s          |
+| Ret : c                             | e   | v : Closure⁰ {e'} \[c'\] : s | c'      | e'     | v : s                                   |
+| Dup : c                             | e   | v : s                            | c       | e      | v : v : s                               |
+| Add : c                             | e   | v : s                            | c       | e      | v + v : s                               |
 
 ### An example