Merge branch 'feature/students' into release/4.9.1.0

@@ -128,11 +128,19 @@
             background: resolve('product/price-tag.png') no-repeat center;
             background-size: contain;
             color: #fff;
-            width: 79px;
-            height: 26px;
+            width: 70px;
+            height: 24px;
+            position: relative;
+            top: 2px;
         }
     }
     .student-price {
+        .sale-price {
+            display: inline-block;
+            height: 24px;
+            line-height: 24px;
+            color: #d62927;
+        }
         .market-price {
             margin: 0px;
             display: block;