Klaviyo back in stock button error for variant items - Empire Theme 11.1.2

Topic summary

A user is experiencing a display issue with the Klaviyo Back-In-Stock (BIS) button on the Empire Theme version 11.1.2.

The problem involves inconsistent button rendering between variant and non-variant product items. Currently, the button displays correctly for either variant items OR non-variant items, but not both simultaneously.

Two screenshots are included showing the visual discrepancy in how the button appears across different product types. The issue appears to be related to theme customization involving CSS, HTML, and Liquid code.

No solutions or responses have been provided yet, and the question remains open.

Summarized with AI on November 1. AI used: claude-sonnet-4-5-20250929.

Hello,

Does anyone know how to fix the button for the klaviyo BIS button? I can manage to get it to appear normally for either JUST variant or JUST non-variant items but not get it working for both. This is for empire theme 11.1.2