Click the “Edit” button (1):

If you need to personalize your notifications, click “Design” on the top of the page. Here you can set the color of the signal. You can make it more compatible with the design of your website or just choose the color you like. Select the color or type Hex color code in the fields.

Choose an icon or upload your image (1). To choose a position of the signal, click “Bottom left” (2) or “Bottom right” (3) buttons.

All changes are shown on the left side of the page.