Hide Background Pattern

Solution: 

Step 1: Login to your WordPress Admin

Step 2: Click on “WhatsApp Care” from the admin menu.

Step 3: Click on “Basic Settings” tab.

Step 4: Find “Custom CSS” option.

Step 5: Copy following the  code and paste into “Custom CSS”

.wcc-popup__header { background-image: none; }

Step 6: Click on “Save” button.