diff --git a/assets/css/app.scss b/assets/css/app.scss
index a01a6b274cc..960c0b40d1e 100644
--- a/assets/css/app.scss
+++ b/assets/css/app.scss
@@ -176,7 +176,7 @@
     background-color: #f7f7f7;
   }
 
-  .card span {
+  .card span.float-right {
     float: right;
     margin-right: 15px;
     font-size: 14px;
diff --git a/assets/css/scss/_exercise.scss b/assets/css/scss/_exercise.scss
index 24b468de729..00d1112a152 100644
--- a/assets/css/scss/_exercise.scss
+++ b/assets/css/scss/_exercise.scss
@@ -290,6 +290,14 @@
   }
 }
 
+.feedback-green {
+  @apply text-success;
+}
+
+.feedback-red {
+  @apply text-danger line-through;
+}
+
 .question-list-description-block {
   background-color: #fff;
   border: 1px solid #ddd;