make sure devtools has background color (fix #79)

yyx990803 · yyx990803 · commit c35b6d5d4535 · 2016-03-06T13:23:22.000-05:00
diff --git a/src/devtools/components/App.vue b/src/devtools/components/App.vue
@@ -71,6 +71,7 @@ $blue = #44A1FF
   width 100%
   height 100%
   user-select none
+  background-color #fff
   h1
     color #42b983
 
