Swap placeholder image for temporary image

style/new_style.css

@@ -9,7 +9,7 @@ body {
 
 #header_image_home {
     background-color: rgb(29,49,49);
-    background-image: url("https://via.placeholder.com/1500x275.webp");
+    background-image: url("/images/headers/index/index-w415.webp");
     background-repeat: no-repeat;
     background-position: center;
     height: 275px;