Hello Russell,
Thanks for asking.
Technically WordPress support’s previous two versions of browsers and we at Themeco follow the same guideline so it’s outside the scope of support to provide support for old browsers.
Ideally you should be using the latest version of the browsers. Having said that if you want to hide elements on older browsers, please take a look at following thread for some pointers. Please n
Please note that you will need to add a class name to target particular section that’s holding the slider. Either you can add the class to the section or add the class name to the element itself. Either way, you can add the class under Customize > Setup > Class.
Thanks.