UX: prevent timeline overlapping topic at some widths

UX: prevent timeline overlapping topic at some widths

diff --git a/desktop/desktop.scss b/desktop/desktop.scss
index 4fbb7ba..84ff0c2 100644
--- a/desktop/desktop.scss
+++ b/desktop/desktop.scss
@@ -231,3 +231,9 @@ nav.post-controls {
     width: 89%;
   }
 }
+
+@media screen and (max-width: 980px) {
+  .topic-body {
+    width: 86%;
+  }
+}

GitHub sha: 49f2f8d75cfd449b3ae65092fb43d7e6716ca94f