Merge pull request #4 from Polymer/ui-polish

Fix shop-detail layout in mobile

Author: frankiefu

src/shop-detail.html

@@ -103,7 +103,7 @@
 
       @media (max-width: 767px) {
 
-        :host {
+        #content {
           @apply(--layout-vertical);
           @apply(--layout-center);
         }
@@ -113,7 +113,7 @@
           width: 80%;
         }
 
-        #content {
+        .detail {
           box-sizing: border-box;
           margin: 32px 0;
           padding: 0 24px;