MAPG-52 replace loading animation

public/static/css/mapguesser.css

@@ -83,12 +83,12 @@ div.buttonContainer.bottom {
 
 #loading {
     position: absolute;
-    width: 40px;
-    height: 40px;
+    width: 64px;
+    height: 64px;
     top: 50%;
     left: 50%;
-    margin-top: -20px;
-    margin-left: -20px;
+    margin-top: -32px;
+    margin-left: -32px;
     z-index: 3;
 }