fix: color on button in nft details (#5431)

* fix color

* fix

src/nft/components/details/AssetPriceDetails.tsx

@@ -296,10 +296,6 @@ export const NotForSale = ({ collectionName, collectionUrl }: { collectionName:
   )
 }
 
-const SubHeader = styled(ThemedText.SubHeader)`
-  color: ${({ theme }) => theme.textPrimary};
-`
-
 export const AssetPriceDetails = ({ asset, collection }: AssetPriceDetailsProps) => {
   const { account } = useWeb3React()
 
@@ -388,9 +384,9 @@ export const AssetPriceDetails = ({ asset, collection }: AssetPriceDetailsProps)
                   }
                 }}
               >
-                <SubHeader color="white" lineHeight="20px">
+                <ThemedText.SubHeader color="white" lineHeight="20px">
                   <span>{assetInBag ? 'Remove' : 'Add to Bag'}</span>
-                </SubHeader>
+                </ThemedText.SubHeader>
               </BuyNowButton>
             </BuyNowButtonContainer>
           </div>