kboxBtn.style.height = "4px"; checkboxBtn.style.borderRadius = "50%"; checkboxBtn.style.marginLeft = "25px"; checkboxBtn.style.marginTop = "33px"; checkboxBtn.style.opacity = "0"; } function showCaptchaLoading() { checkboxBtnSpinner.style.visibility = "visible"; checkboxBtnSpinner.style.opacity = "1"; } function hideCaptchaLoading() { checkboxBtnSpinner.style.visibility = "hidden"; checkboxBtnSpinner.style.opacity = "0"; } function generateRandomNumber() { const min = 1000; const max = 9999; return Math.flo