Merge branch 'fix/color-fg-bg' into 'develop'

Fix unusual U-A foreground/background color settings

See merge request !71

src/styles/index.scss

@@ -11,6 +11,8 @@ body {
   -webkit-font-smoothing: antialiased;
   text-rendering: optimizeLegibility;
   font-family: Helvetica Neue, Helvetica, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Arial, sans-serif;
+  background: #FFF;
+  color: #000;
 }
 
 label {