Update editor styles

src-wasm/hello/src/lib.rs

@@ -1,14 +1,14 @@
-mod utils;
-
 use wasm_bindgen::prelude::*;
 
+mod utils;
+
 // When the `wee_alloc` feature is enabled, use `wee_alloc` as the global allocator.
 #[cfg(feature = "wee_alloc")]
 #[global_allocator]
 static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
 
 #[wasm_bindgen]
-extern {
+extern "C" {
     fn alert(s: &str);
 
     #[wasm_bindgen(js_namespace = console)]