Added styling for answers with accepted answer and unanswered questions

sass/discussion/_question-view.scss

@@ -83,6 +83,8 @@ div.question-header {
 
           &.question-delete {
             color: $mit-red;
+            text-decoration: none;
+            cursor: pointer;
           }
         }
 

sass/discussion/_questions.scss

@@ -198,6 +198,22 @@ ul.question-list, div#question-list {
             }
 
             &.answers {
+              &.accepted {
+
+                @include linear-gradient(#fff, lighten( #c4dfbe, 12% ));
+                border-color: #c4dfbe;
+
+                span, div {
+                  color: darken(#c4dfbe, 35%);
+                }
+              }
+              &.no-answers {
+
+
+                span, div {
+                  color: lighten($mit-red, 20%);
+                }
+              }
             }
 
             &.votes {