diff -r f851ec12812f -r c0e8626a271c common/corpus-common-addon/addon/styles/addon.scss
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/corpus-common-addon/addon/styles/addon.scss	Sun Mar 06 00:29:01 2016 +0100
@@ -0,0 +1,14 @@
+.doc-supsub {
+    display: inline-block;
+    sup,
+    sub {
+        position: relative;
+        display: block;
+        font-size: .5em;
+        line-height: 1.2;
+    }
+
+    sub {
+        top: .3em;
+    }
+}