Sorry I have some typos for when I was troubleshooting. “slidecontainerss” in the HTML should be “slidecontainer”, “sliderss” in the HTML should be “slider”, and “sliderValss” in the HTML should be “sliderVal”. Also, what do you mean when you say
Also, you cannot override element styles or styles set by JavaScript. Those need to be altered at the source.
? For some reason all the CSS and HTML code works if I just open the html file on Chrome but it doesn’t work on WordPress.