fix alignment

src/client/theme-default/styles/base.css

@@ -242,10 +242,7 @@ vite-error-overlay {
 }
 
 mjx-container {
-  display: inline-block;
-  margin: auto 2px -2px;
   overflow-x: auto;
-  overflow-y: clip;
 }
 
 mjx-container > svg {

src/node/plugin.ts

@@ -87,7 +87,7 @@ export async function createVitePressPlugin(
 
   if (markdown?.math) {
     isCustomElement = (tag) => {
-      if (['mjx-container', 'mjx-assistive-mml'].includes(tag)) {
+      if (tag.startsWith('mjx-')) {
         return true
       }
       return userCustomElementChecker?.(tag) ?? false