hid inline response toolbar due to lacking inline styles for the icons

lms/static/sass/_discussion.scss

@@ -1540,7 +1540,7 @@ body.discussion {
     @include clearfix;
 
     h4 {
-      font-size: 20px;
+      font-size: 16px;
       font-weight: 700;
     }
   }
@@ -1947,6 +1947,7 @@ body.discussion {
     }
   }
 
+  .new-post-body {
     .wmd-panel {
       width: 100%;
       min-width: 500px;
@@ -1954,7 +1955,6 @@ body.discussion {
 
     .wmd-button-bar  {
       width: 100%;
-    background-color: Silver;
     }
 
     .wmd-input {
@@ -2091,4 +2091,19 @@ body.discussion {
         margin-bottom: 18px;
       }
     }
+  }
+
+  .wmd-button-row {
+    // this is being hidden now because the inline styles to position the icons are not being written
+    display: none;
+    position: relative;
+    height: 12px;    
+  }
+
+  .wmd-button {
+    span {
+      background-image: url("/static/images/wmd-buttons.png");
+      display: inline-block;
+    }
+  }
 }