diff --git a/pywb/rewrite/regex_rewriters.py b/pywb/rewrite/regex_rewriters.py
index ea7b122e..7dee0bde 100644
--- a/pywb/rewrite/regex_rewriters.py
+++ b/pywb/rewrite/regex_rewriters.py
@@ -139,7 +139,7 @@ class JSLocationRewriterMixin(object):
           #  (r'(?<=document\.)cookie', RegexRewriter.add_prefix(prefix), 0),
 
             #todo: move to mixin?
-           (r'(?<=[\s=(){])(top)\s*(?:[!})]|==|$)',
+           (r'(?<=[\s=(){])(top)\s*(?:[!}?)]|==|$)',
             RegexRewriter.add_prefix(prefix), 1),
 
            (r'^(top)\s*(?:[!})]|==|$)',
diff --git a/pywb/rewrite/rewrite_content.py b/pywb/rewrite/rewrite_content.py
index 6bb300c4..dc430a90 100644
--- a/pywb/rewrite/rewrite_content.py
+++ b/pywb/rewrite/rewrite_content.py
@@ -218,6 +218,9 @@ class RewriteContent:
 
     @staticmethod
     def _resolve_text_type(mod, text_type, stream):
+        if text_type == 'css' and mod == 'js':
+            return 'css', stream
+
         # only attempt to resolve between html and other text types
         if text_type != 'html':
             return mod, stream
diff --git a/pywb/static/vidrw.js b/pywb/static/vidrw.js
index f72cde31..95c464f6 100644
--- a/pywb/static/vidrw.js
+++ b/pywb/static/vidrw.js
@@ -352,7 +352,7 @@ __wbvidrw = (function() {
     }
 
     function do_replace_iframe(elem, url) {
-        var iframe = document.createElement("iframe", true);
+        var iframe = document.createElement("iframe");
         var dim = get_dim(elem);
         iframe.width = dim[0];
         iframe.height = dim[1];