fix: check if image loaded

src/routes/global.css

@@ -28,4 +28,5 @@ img.lazy-image {
 
 img.lazy-image.loaded {
   opacity: 1;
+  z-index:-1;
 }

static/lazy.js

@@ -5,6 +5,9 @@ window.onload = function(){
   for (let i = 0; i < lazyImages.length; i++) {
     var element = lazyImages[i];
     element.classList.add("lazy-image")
+    element.onload = function(){
+      element.classList.add("loaded");
+    }
     element.addEventListener("load", function(){
       element.classList.add("loaded");
     })