Index: wp-content/themes/pub/wporg-forums/style.css
===================================================================
--- wp-content/themes/pub/wporg-forums/style.css	(revision 3606)
+++ wp-content/themes/pub/wporg-forums/style.css	(working copy)
@@ -239,3 +239,44 @@
 		width: 212px;
 	}
 }
+
+@media only screen and (max-width: 480px) {
+	div.content {
+		width: 100%;
+	}
+
+	#bbpress-forums .bbp-pagination-count,
+	#bbpress-forums .bbp-pagination-links {
+		float: none;
+	}
+
+	#bbpress-forums .bbp-body div.bbp-topic-author,
+	#bbpress-forums .bbp-body div.bbp-reply-author {
+		float: none;
+		width: auto;
+		padding-left: 120px;
+	}
+
+	#bbpress-forums div.bbp-topic-author a.bbp-author-name,
+	#bbpress-forums div.bbp-reply-author a.bbp-author-name {
+		display: block;
+	}
+
+	#bbpress-forums .bbp-author-role {
+		margin-left: 0;
+		margin-right: 0;
+		padding: 0 6px;
+	}
+
+	#bbpress-forums p.bbp-topic-post-date,
+	#bbpress-forums div.bbp-topic-ip,
+	#bbpress-forums p.bbp-reply-post-date,
+	#bbpress-forums div.bbp-reply-ip {
+		margin-right: 0;
+	}
+
+	#bbpress-forums .bbp-body div.bbp-topic-content,
+	#bbpress-forums .bbp-body div.bbp-reply-content {
+		padding-top: 12px;
+	}
+}