update gallery styles

src/_includes/partials/gallery.njk

@@ -1,5 +1,5 @@
 <is-land on:idle>
-  <div class="gallery | grid mt-l-xl" role="list" style="--grid-min-item-size: clamp(16rem, 50vw, 20rem)">
+  <div class="gallery | grid mt-l-xl" role="list">
     {%- for item in gallery -%}
       <dialog class="flow modal{{ loop.index }}">
         <button class="button" autofocus>Close</button>

src/assets/css/bundle/gallery.css

@@ -8,6 +8,11 @@
   cursor: pointer;
 }
 
+.gallery dialog + button img {
+  aspect-ratio: 1;
+  object-fit: cover;
+}
+
 /* Don't indicate interactivity without JS */
 is-land:not(:defined) .gallery dialog + button {
   cursor: default;