Update CSS to make rubric even narrower.

common/lib/xmodule/xmodule/css/combinedopenended/display.scss

@@ -236,7 +236,7 @@ div.result-container, section.open-ended-child {
             }
             label,
             .view-only {
-                margin:10px;
+                margin:2px;
                 position: relative;
                 padding: 15px;
                 width: 150px;
@@ -245,7 +245,7 @@ div.result-container, section.open-ended-child {
                 min-height: 50px;
                 min-width: 50px;
                 background-color: #CCC;
-                font-size: .9em;
+                font-size: .85em;
             }
             .grade {
               position: absolute;

lms/static/sass/course/_staff_grading.scss

@@ -193,7 +193,7 @@ div.peer-grading{
       }
       label,
       .view-only {
-          margin:3px;
+          margin:2px;
           position: relative;
           padding: 15px;
           width: 150px;
@@ -202,7 +202,7 @@ div.peer-grading{
           min-height: 50px;
           min-width: 50px;
           background-color: #CCC;
-          font-size: .9em;
+          font-size: .85em;
       }
       .grade {
         position: absolute;