Session
    
    setFocusStyle()
setFocusStyle()
Sets the styling for the hosted field to the supplied styling attributes when focus on the hosted field in the iFrame is gained.
Usage
PaymentSession.setFocusStyle([hostedFieldsRole], styles)
Example
PaymentSession.setFocusStyle(["cardNumber","securityCode"], {
  borderColor: 'red',
  borderWidth: '3px'
});
Arguments
        hostedFieldsRole
        
        Array
        
    
    An array of field roles for the hosted card fields, to be styled when the focus is gained. Valid values for array of field roles:
cardNumber
            securityCode
            
        styles
        
        Object
        
    An object containing JavaScript CSS properties.
Return Value
None