--- /dev/null
+img[src^=http\:], object[codebase^=http\:], object[src^=http\:]
+{
+ -moz-outline: 1px solid #ff0000 !important;
+ outline: 1px solid #ff0000 !important;
+}
+
+iframe[src^=http\:]
+{
+ border: 1px solid #ff0000 !important;
+}
\ No newline at end of file