Fix box-shadow parsing for IE9
Fix box-shadow parsing for IE9

racing-post/gemini,varya/gemini,HDevel/gemini,pazone/gemini,vladislav-sevostyanov/gemini,pazone/gemini,hatroman/gemini,sergesemashko/gemini,racing-post/gemini,varya/gemini,gemini-testing/gemini,HDevel/gemini