product color links changes are not working properly in the safari browser.

We have created one FDP product with different layers. Also, We have used the color links option of the FPD plugin to update the colors of multiple layers at one time. it is working properly in chrome but it is not working properly in the Safari browser. Here is the product URL:

http://www.oswaldsporting.co.uk/product/test1-product/

Please see below video:

safari: https://drive.google.com/file/d/15lqiLvJ3r5CunsYe-VdLbspWzwkMLef3/view?usp=sharing

chrome: https://drive.google.com/file/d/1Q4cyxlonHb7MOzDMOloPfdHzpKDu13ms/view?usp=sharing