diff --git a/css/main.css b/css/main.css
index 2e66d2086fac0f6229b7de8bcc236654bf80faba..70c8eb7330cfeff45b611040768827d9f55b3572 100644
--- a/css/main.css
+++ b/css/main.css
@@ -392,6 +392,7 @@ label {
     display: inline-block;
     margin-right: 10px;
     border-radius: 3px;
+    border: 1px solid #ddd;
 }
 
 .materialColorSwatch>span{
diff --git a/js/cam/cam.js b/js/cam/cam.js
index 192b2aecf466f15c26155d0070e82ec0e5385987..618afded94a8e3c003a5204eff4e74f4b0456cd1 100644
--- a/js/cam/cam.js
+++ b/js/cam/cam.js
@@ -90,12 +90,11 @@ define(['underscore', 'three', 'backbone', 'appState', 'latticeCAM', 'threeModel
 
 
 
-        _calculateNumMaterials: function(){
+        _calculateNumMaterials: function(){//todo calc length of gik cells as separate material types
             this.set("allCAMMaterialTypes", materials.getChildCellTypes(lattice.sparseCells, true));
         },
 
 
-
         selectMachine: function(){
             var machineName = this.get("machineName");
             if (this.get("assembler")) this.get("assembler").destroy();