adding in instruction-based text to peer assessment feedback form

TIM-286

apps/openassessment/templates/openassessmentblock/grade/oa_grade_complete.html

@@ -137,7 +137,7 @@
 
                 <div class="submission__feeedback__content">
                     <div class="submission__feeedback__instructions">
-                        <p>You can provide feedback about this student's assessment of your response. Course staff can see this feedback when they review the student's course records.</p>
+                        <p>You can provide feedback about this student's assessment of your response. Course staff will be able to see any feedback that you provide here when they review course records.</p>
                     </div>
 
                     <ol class="list list--fields submission__feeedback__fields">

apps/openassessment/xblock/static/sass/oa/utilities/_extends.scss

@@ -36,6 +36,10 @@
 
   p {
     margin-bottom: $baseline-v;
+
+    &:last-child {
+      margin-bottom: 0;
+    }
   }
 }
 

apps/openassessment/xblock/static/sass/oa/views/_oa-base.scss

@@ -1040,6 +1040,15 @@
 
   .submission__feeedback__content {
     @extend %ui-section-content;
+  }
+
+  .submission__feeedback__instructions {
+    @extend %copy-4;
+    color: $copy-color;
+    margin-bottom: $baseline-v;
+  }
+
+  .submission__feeedback__fields {
 
     .field {
       margin-bottom: ($baseline-v*1.5);
@@ -1051,7 +1060,6 @@
 
     select {
       display: block;
-      width: 100%;
     }
 
     textarea {

apps/openassessment/xblock/static/sass/xb/elements/_forms.scss

@@ -33,6 +33,7 @@
 
     label, .label {
       @extend %copy-4;
+      @extend %t-weight3;
       display: block;
       margin-bottom: ($baseline-v/2);
       color: $copy-color;