Merge branch 'develop' of http://git.dev.yoho.cn/web/yohobuy into develop

@@ -35,6 +35,7 @@
 
         .sum-cost {
             color: #e01;
+            margin-left: 5px;
         }
 
         .order-opt {

@@ -31,6 +31,15 @@ $basicBtnC:#eb0313;
             margin-bottom: pxToRem(20px);
             font-size: pxToRem(24px);
             line-height: pxToRem(36px);
+
+            b {
+                font-weight: bold;
+            }
+
+            i {
+                font-style: italic;
+            }
+
             &.table {
                 @include flexbox((
                     display: box,