Image slider and image zoom not work in my wordpress why

Hello sir I am Aasmohd I watch your Course and I have major problem with image zoom plugin I install and Active it but it can not work in my work and

  1. I have problem in image slider to when I use image slider it is work good and run properly but if I use huge-it slider or any different slider then they show different problem in my wordpress
    Like- when I huge slider then it work only website header & not work in Post or Page I don’t understand this

Some Slider word on Pages and Post but It can’t work in Header Why I am stuck in this problem please help me out