Sorry, but after you fixed it I had to import again the demo data and I lost the slider again, and I am not able to fix it…I’m driving mad.
Looks like there is something in conflict. I kindly ask you to fix it once more, hope fot the last time.
Please check the all video ( https://www.youtube.com/watch?v=7A4vXgn3Dh4&list=PLea80-kMMhSSVKgEFxfIDiW58fbC5EHf1 )
And here is your mistake ( https://screenshots.firefox.com/yPKHBPOPIbJpWP3W/localhost )