optimize background load

package.json

@@ -19,5 +19,6 @@
     "build": "react-scripts build",
     "test": "react-scripts test --env=jsdom",
     "eject": "react-scripts eject"
-  }
+  },
+  "homepage": "."
 }

src/Common.css

@@ -41,7 +41,7 @@
     left: 0;
     width: 100%;
     height: 100%;
-    background: #124 center center;
+    background: transparent center center;
     background-size: cover;
 }
 

src/index.css

@@ -4,6 +4,7 @@ body {
     background-size: cover;
     overflow-x: hidden;
     user-select: none;
+    background-color: #124;
 }
 
 body::-webkit-scrollbar {