diff --git a/buildTree.js b/buildTree.js
index 7359b2c..4ec6700 100644
--- a/buildTree.js
+++ b/buildTree.js
@@ -689,7 +689,8 @@ var groupTypes = {
         }
         inner.push(rightDelim);
 
-        return makeSpan(["minner"], inner, options.getColor());
+        return makeSpan(
+            ["minner", options.style.cls()], inner, options.getColor());
     },
 
     rule: function(group, options, prev) {
diff --git a/test/huxley/Huxleyfile.json b/test/huxley/Huxleyfile.json
index 52e69ca..4d5b8c5 100644
--- a/test/huxley/Huxleyfile.json
+++ b/test/huxley/Huxleyfile.json
@@ -143,6 +143,12 @@
         "url": "http://localhost:7936/test/huxley/test.html?m=+\\left\\{\\rule{0.1em}{1em}\\right.x^{+\\left\\{\\rule{0.1em}{1em}\\right.x^{+\\left\\{\\rule{0.1em}{1em}\\right.}}"
     },
 
+    {
+        "name": "LeftRightListStyling",
+        "screenSize": [1024, 768],
+        "url": "http://localhost:7936/test/huxley/test.html?m=a+\\left(x+y\\right)-x"
+    },
+
     {
         "name": "PrimeSpacing",
         "screenSize": [1024, 768],
diff --git a/test/huxley/LeftRightListStyling.hux/firefox-1.png b/test/huxley/LeftRightListStyling.hux/firefox-1.png
new file mode 100644
index 0000000..7bf9d79
Binary files /dev/null and b/test/huxley/LeftRightListStyling.hux/firefox-1.png differ
diff --git a/test/huxley/LeftRightListStyling.hux/record.json b/test/huxley/LeftRightListStyling.hux/record.json
new file mode 100644
index 0000000..3cae6ac
--- /dev/null
+++ b/test/huxley/LeftRightListStyling.hux/record.json
@@ -0,0 +1,5 @@
+[
+  {
+    "action": "screenshot"
+  }
+]