Sydney sticky menu works only in front page but not in other pages please help

website: askwebdr[dot]com
please help.
When you visit, you will see that sticky menu only works in homepage, but not in other pages, it was working before, but i think i have instaled a plug in that has caused this problem i have deleted all the extra plugins and all the files from the directory (manually) but problem is still there. Please help . I shall be very thankful.

Please help on this

Nope, it never worked. It works only if you have a header image. Since you don’t have a header active for your secondary pages, the menu won’t be sticky.