I'm getting the exception when calling HTMLElement.getOffsetHeight()
com.gargoylesoftware.css.parser.CSSException: Invalid selector: *:-moz-placeholder-shown
	at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.validateSelectors(CSSStyleSheet.java:1616)
	at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.selectsPseudoClass(CSSStyleSheet.java:911)
	at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.selects(CSSStyleSheet.java:616)
	at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.selects(CSSStyleSheet.java:459)
	at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.selects(CSSStyleSheet.java:478)
	at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.selects(CSSStyleSheet.java:1818)
	at com.gargoylesoftware.htmlunit.javascript.host.css.CSSStyleSheet.modifyIfNecessary(CSSStyleSheet.java:276)
	at com.gargoylesoftware.htmlunit.WebWindowImpl.getComputedStyle(WebWindowImpl.java:421)
	at com.gargoylesoftware.htmlunit.javascript.host.Window.getComputedStyle(Window.java:1645)