Шторка

boolean:    [closeButton = false]                           - show close button 
object:     [closeButtonProps = defaultCloseButtonProps]    - show button (UIButtonClose) props
boolean:    [show = true]                                   - show overlay
boolean:    [closeOnClick = true]                           - close on click on any part of overlay
number:     [layer = 1]                                     - level of overlay
string:     [class = ""]                                    - additional classes
number:     [zIndexStep = 1000]                             - z-index step between levels of overlay
string:     [role = 'button']                               - aria role
string:     [tabIndex = '0']                                - tab index