[Bug] Button color change not working on name-tag page

User reports that the button color for the "지금 주문하기" (Order Now) button on the page https://www.magentacard.co.kr/name-tag cannot be changed despite multiple attempts. The user believes it is a bug as other elements might be working but this specific button is stuck. Screenshot provided shows the button at the bottom of a price table. User email: magentacard@naver.com.