Instead of stars you can choose any kind of SVG/PNG/JPG or GIF icon. Choose from plugin icon library or insert your own with base64 code. To convert your image into base64 code follow next easy steps:

  1. Upload your icon file into converter e.g. http://b64.io/
  2. Copy your code started with data:. For example PNG started with data:image/png;
    data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAMAAABEpIrGAAAAP1BMVEUAAABAQEBAQEBERERDQ0NCQkJERERERERERERDQ0NDQ0NDQ0NERERERERERERDQ0NDQ0NDQ0NDQ0NERERERESY+10aAAAAFHRSTlMAECBAUGBwf4CQoK+wv8DQ3+Dv8K9spRcAAACESURBVHgB1c3RCoJAEIXhX3NTV23Uzvs/axpeuE2LQRL0XZ75YTiLPP0u0IFPgib/4vJ10EiYBmCSY8BNxlWqIcqJ0EgBTBrqQc5zNKAwZVnBKpjkqnUL7LRKtDjtwR2qSZup4r0QtYgVeVrAHwdlN2ozdiVOOWtn9kWvRM+ruxIjp3kApnskjJ1e3uoAAAAASUVORK5CYII=

    or SVG started with data:image/svg+xml;

    data:image/svg+xml;base64,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
  3. Click icon button in tooltip.
  4. Paste code into input field.
  5. Hit Accept custom icon button and don't forget to hit accept custom icon button.

Excited Testimonials custom icon