Update main.less (#11217)

plugins/Morpheus/stylesheets/main.less

@@ -26,9 +26,11 @@ h2 {
     width: 100%;
     padding: 16px 0 16px 0;
     margin: 0;
-    a, a:hover {
-        text-decoration: none;
+    .inlineHelp {
+      a, a:hover {
+        text-decoration: underline;
         color: @theme-color-text;
+      }
     }
 }
 h3 {