修改默认body的背景色

dist/css/mui.css

@@ -231,7 +231,7 @@ body {
   font-size: 17px;
   line-height: 21px;
   color: #000;
-  background-color: #fff;
+  background-color: #efeff4;
 }
 
 a {

examples/hello-mui/css/mui.css

@@ -231,7 +231,7 @@ body {
   font-size: 17px;
   line-height: 21px;
   color: #000;
-  background-color: #fff;
+  background-color: #efeff4;
 }
 
 a {

sass/base.scss

@@ -17,7 +17,7 @@ body {
     font-size: $font-size-default;
     line-height: $line-height-default;
     color: #000;
-    background-color: #fff;
+    background-color: #efeff4;
     -webkit-overflow-scrolling: touch;
 }