diff --git a/app/javascript/flavours/glitch/styles/arachnia/diff.scss b/app/javascript/flavours/glitch/styles/arachnia/diff.scss
index 4953c28ae..c120cd2dc 100644
--- a/app/javascript/flavours/glitch/styles/arachnia/diff.scss
+++ b/app/javascript/flavours/glitch/styles/arachnia/diff.scss
@@ -107,6 +107,7 @@
 
 	// Spoilers
 	.media-spoiler { background: #000 !important; }
+  .media-gallery.full-width { margin-left: 0; margin-right: 0 }
 
 	// UI: remove borders and solid bg colors
 	.ui,
diff --git a/app/javascript/flavours/glitch/styles/seadrake/diff.scss b/app/javascript/flavours/glitch/styles/seadrake/diff.scss
index 085440d6e..de83fde3e 100644
--- a/app/javascript/flavours/glitch/styles/seadrake/diff.scss
+++ b/app/javascript/flavours/glitch/styles/seadrake/diff.scss
@@ -108,6 +108,7 @@
 
 	// Spoilers
 	.media-spoiler { background: #000 !important; }
+  .media-gallery.full-width { margin-left: 0; margin-right: 0 }
 
 	// UI: remove borders and solid bg colors
 	.ui,