kotlin-electron/electron.core/WebContents/insertCSS

insertCSS

fun insertCSS(css: String, options: InsertCSSOptions = definedExternally): Promise<String>(source)

A promise that resolves with a key for the inserted CSS that can later be used to remove the CSS via contents.removeInsertedCSS(key).

Injects CSS into the current web page and returns a unique key for the inserted stylesheet.