diff --git a/src/timelines/MediaAttachmentGrid.css b/src/timelines/MediaAttachmentGrid.css
index 8811f49..55bb30d 100644
--- a/src/timelines/MediaAttachmentGrid.css
+++ b/src/timelines/MediaAttachmentGrid.css
@@ -12,7 +12,7 @@
     min-width: 40px;
     object-fit: contain;
     max-width: 100%;
-    background-color: var(--tutu-color-surface-d);
+    background-color: var(--media-color-accent, var(--tutu-color-surface-d));
     border-radius: 2px;
     border: 1px solid var(--tutu-color-surface-d);
     transition: outline-width 60ms var(--tutu-anim-curve-std), border-color 60ms var(--tutu-anim-curve-std);