fix for user card on topic page

less/topic.less

@@ -35,8 +35,7 @@
 
 	.posts {
 		.icon {
-			font-size: 17px;
-			line-height: 17px;
+			position: relative;
 			border-radius: 50%;
 			min-width: 46px;
 			min-height: 46px;

lib/persona.js

@@ -168,9 +168,10 @@ $(document).ready(function() {
 			components.get('user/picture')
 				.on('mouseover', function() {
 					var avatar = $(this),
-						index = avatar.parents('[data-index]').attr('data-index');
+						index = avatar.parents('[data-index]').attr('data-index'),
+						data = (ajaxify.data.topics || ajaxify.data.posts)[index].user;
 					
-					templates.parse('modules/usercard', ajaxify.data.topics[index].user, function(html) {
+					templates.parse('modules/usercard', data, function(html) {
 						var card = $(html);
 						avatar.parents('a').after(card.hide());