Improve comments appearance

lib/ui/tiles/comment_tile.dart

@@ -58,6 +58,7 @@ class CommentTile extends StatelessWidget {
           child: comment.hasContent
               ? Text(
                   comment.content,
+                  style: TextStyle(color: Colors.black),
                 )
               : null,
         ),
@@ -78,11 +79,14 @@ class CommentTile extends StatelessWidget {
 
   /// Build like button associated to this post
   Widget _buildLikeButton() {
-    return Align(
+    return Padding(
+      padding: const EdgeInsets.only(top: 4.0, bottom: 4.0),
+      child: Align(
         alignment: AlignmentDirectional.topStart,
-      child: FlatButton(
-        padding: EdgeInsets.only(left: 0.0),
-        onPressed: () => onUpdateLike(comment),
+        child: Column(
+          children: <Widget>[
+            InkWell(
+              onTap: () => onUpdateLike(comment),
               child: Row(
                 children: <Widget>[
                   Icon(
@@ -97,6 +101,9 @@ class CommentTile extends StatelessWidget {
                 ],
               ),
             ),
+          ],
+        ),
+      ),
     );
   }
 }