修改背景色

src/styles/index.scss

@@ -9,7 +9,7 @@
   line-height: 1.5;
   color: $font-color;
   color-scheme: light dark;
-  background-color: #242424;
+  background-color: $main-background-color;
   font-synthesis: none;
   text-rendering: optimizeLegibility;
   -webkit-font-smoothing: antialiased;