Update post.pug and styles.css for large gallery images

static/css/styles.css

@@ -1647,6 +1647,36 @@ body.homepage.clean .sublinks a {
   }
 }
 
+/* Large gallery items */
+.gallery .item.large {
+  display: flex;
+  flex-direction: column;
+  margin-bottom: 1rem;
+  position: relative;
+  margin-right: 0.3rem;
+}
+
+.gallery .item.large img {
+  max-height: 90vh;
+  position: relative;
+}
+
+.gallery .item.large .caption {
+  position: absolute;
+  width: calc(100% - 0.6rem);
+  color: white;
+  background: rgba(0, 0, 0, 0.7);
+  padding: 0.3rem;
+  bottom: 0;
+}
+
+@media only screen and (max-width: 768px) {
+  .gallery .item.large img {
+    max-height: unset;
+    max-width: 100%;
+  }
+}
+
 /* Fix spoiler texts not showing without JS */
 .md .md-spoiler-text:not(.revealed):active,.md .md-spoiler-text:not(.revealed):focus,.md .md-spoiler-text:not(.revealed):hover {
   color: black;

views/post.pug

@@ -137,12 +137,19 @@ html
               if post.gallery
                 .gallery
                   each item in post.gallery_items
-                    .item
+                    if user_preferences.show_large_gallery_images == 'true'
-                      div
+                      .item.large
                         a(href="" + item.large + "", target="_blank")
-                          img(src=""+ item.thumbnail +"", alt="")
+                          img(src="" + item.large + "", title="" + item.caption + "")
-                      a(href="" + item.source + "", target="_blank", class="source-link")
+                        if item.caption
-                        small source
+                          span.caption !{item.caption}
+                    else
+                      .item
+                        div
+                          a(href="" + item.large + "", target="_blank")
+                            img(src=""+ item.thumbnail +"", alt="")
+                        a(href="" + item.source + "", target="_blank", class="source-link")
+                          small source
               if post.images
                 .image
                   a(href="" + post.images.source + "")