added image gallery component; moved blurred background to separate CSS class

src/lib/lists/gallery-row.svelte

@@ -16,7 +16,7 @@
 
 <div class="row-container">
     {#each entries as entry}
-        <a class="row-entry" href="{entry.link}">
+        <a class="row-entry blurred-background-hover" href="{entry.link}">
             <div class="row-img-container">
                 <img class="row-img" src="{entry.img}" alt="{entry.altText}">
             </div>
@@ -49,7 +49,6 @@
     .row-entry:hover {
         background-color: var(--color-background-highlight);
         border-color: var(--color-highlight);
-        backdrop-filter: blur(var(--blur-radius-background));
     }
 
     .row-entry:hover .row-img {