You can withdraw funds (minimum £10) by clicking on the 'Deposit' button (that appears in the top-right corner) > and then click on 'Withdrawal': https://www.slotstemple.com/my-account/payments/withdraw/
Please note that any payment methods used to withdraw funds must belong to you, and be registered in your own name. If you have previously made a deposit then for security reasons you must use the same card for any withdrawals.