Fix some details for Lighthouse score

src/components/core/Picture.astro

@@ -35,10 +35,4 @@ const { image = {}, sources = [] } = picture || {}
   <source {...attrs} {sizes} />)}
   <img {...image} {loading} {decoding} {alt} class={className} />
 </picture>
-}
-
-<style>
-  img {
-    content-visibility: auto;
-  }
-</style>
+}