fix(client): add background as default

hiroppy · hiroppy · commit 0e750258061a · 2021-01-30T17:15:45.000+09:00
diff --git a/packages/client/assets/style/customize.css b/packages/client/assets/style/customize.css
@@ -19,6 +19,7 @@
 }
 
 .swiper-container {
+  background: #f5f5f5;
   height: 100vh;
 }
 
