fix: config error in lightgallery (#417)

assets/js/kratos.js

@@ -167,7 +167,7 @@
 
     var lightGalleryConfig = function () {
         lightGallery(document.getElementById('lightgallery'), {
-            selector: 'a'
+            selector: 'a[href$=".jpg"], a[href$=".jpeg"], a[href$=".png"], a[href$=".gif"], a[href$=".bmp"], a[href$=".webp"]'
         })
     }
 

style.css

@@ -1318,6 +1318,10 @@ ol {
     padding: 5px 15px;
 }
 
+.lg-outer {
+    z-index: 999999;
+}
+
 @media screen and (max-width: 768px) {
     .k-main .details .article .header {
         padding: 0 16px 12px;