An object implementing the StyleSheet interface represents a single style sheet.
StyleSheet
MDN Reference
The disabled property of the StyleSheet interface determines whether the style sheet is prevented from applying to the document.
disabled
The href property of the StyleSheet interface returns the location of the style sheet.
href
The media property of the StyleSheet interface specifies the intended destination media for style information.
media
The ownerNode property of the StyleSheet interface returns the node that associates this style sheet with the document.
ownerNode
The parentStyleSheet property of the StyleSheet interface returns the style sheet, if any, that is including the given style sheet.
parentStyleSheet
The title property of the StyleSheet interface returns the advisory title of the current style sheet.
title
The type property of the StyleSheet interface specifies the style sheet language for the given style sheet.
type