diff --git a/ecc/static/tex.js b/ecc/static/tex.js
index 2c5c72f..080801e 100644
--- a/ecc/static/tex.js
+++ b/ecc/static/tex.js
@@ -1,23 +1,16 @@
 window.MathJax = {
+  tex: {
+    inlineMath: [["\\(", "\\)"]],
+    displayMath: [["\\[", "\\]"]],
+    processEscapes: true,
+    processEnvironments: true
+  },
   options: {
-    ignoreHtmlClass: 'tex2jax_ignore',
-    processHtmlClass: 'tex2jax_process',
-    renderActions: {
-      find: [10, function (doc) {
-        for (const node of document.querySelectorAll('script[type^="math/tex"]')) {
-          const display = !!node.type.match(/; *mode=display/);
-          const math = new doc.options.MathItem(node.textContent, doc.inputJax[0], display);
-          const text = document.createTextNode('');
-          const sibling = node.previousElementSibling;
-          node.parentNode.replaceChild(text, node);
-          math.start = {node: text, delim: '', n: 0};
-          math.end = {node: text, delim: '', n: 0};
-          doc.math.push(math);
-          if (sibling && sibling.matches('.MathJax_Preview')) {
-            sibling.parentNode.removeChild(sibling);
-          }
-        }
-      }, '']
-    }
+    ignoreHtmlClass: ".*|",
+    processHtmlClass: "arithmatex"
   }
 };
+
+document$.subscribe(() => { 
+  MathJax.typesetPromise()
+})
diff --git a/mkdocs.yml b/mkdocs.yml
index bdc637e..85af293 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -17,7 +17,8 @@ markdown_extensions:
   - admonition
   - toc:
       permalink: true
-  - pymdownx.arithmatex
+  - pymdownx.arithmatex:
+      generic: true
   - pymdownx.betterem:
       smart_enable: all
   - pymdownx.caret
@@ -36,7 +37,6 @@ markdown_extensions:
 
 extra_javascript:
   - 'static/tex.js'
-  - 'https://polyfill.io/v3/polyfill.min.js?features=es6'
   - 'https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-chtml.js'
 extra_css:
   - 'static/style.css'