SVG Mask Slider

Use Adobe Illustrator to make SVG file and copy its code. File > Export > Export for Screens.
If you want to modify the transition-duration property, please directly modify the .uix-svgMask-slider__item in the CSS file. It is not on the data- attribute of the HTML tag.

step 1:    step 2:    step 3:    path svg example:

---