enable: true, // (boolean) popup activation
text: 'Text on popup', // (string) a text to display on the popup
askLaterButtonText: 'Not now', // (string) custom text for the “Ask later” button
confirmSubscriptionButtonText: 'Subscribe', // (string) custom text for the “Subscribe” button
iconUrl: 'https://...', // (string) custom icon URL
delay: 60, // (integer) a delay between the page loading and popup appearance
retryOffset: 604800, // (integer) an offset in seconds to display the popup again
overlay: false, // (boolean) enables page overlaying when popup is displayed
position: 'top', // (string) position on the page. Possible values: ’top' | 'center' | 'bottom’
bgColor: '#fff', // (string) popup’s background color
borderColor: 'transparent', // (string) popup’s border color
boxShadow: '0 3px 6px rgba(0,0,0,0.16)', // (string) popup’s shadow
textColor: '#000', // (string) popup’s text color
textSize: 'inherit', // (string) popup’s text size
fontFamily: 'inherit', // (string) popup’s text font
subscribeBtnBgColor: '#4285f4', // (string) “Subscribe” button’s color
subscribeBtnTextColor: '#fff', // (string) “Subscribe” button text’s color
askLaterBtnBgColor: 'transparent', // (string) “Ask later” button’s color
askLaterBtnTextColor: '#000', // (string) “Ask later” button text’s color
theme: 'material' // or 'topbar'. A popup theme, see the details below