Site not looking good in Firefox-Collection of common programming errors

Looks like CSS validation issue to me, here is what the ERROR CONSOLE shows in FF:

Warning: Expected identifier in media list but found ‘.’. Expected ‘,’ in media list but found ‘:’. Expected ‘,’ in media list but found ‘:’. Expected ‘,’ in media list but found ‘{‘. Expected ‘,’ in media list but found ‘#shippingdetails’. Expected ‘,’ in media list but found ‘#shippingdetails’. Expected identifier in media list but found ‘#footer-wrapper-inside’. Expected identifier in media list but found ‘#footer-wrapper-inside’. Unexpected end of file while searching for end of media list in @import or @media rule. Unexpected end of file while searching for ‘;’.

Source File: http://www.instant-wine-cellar.co.uk/wp-content/themes/Wineconcepts/style.css Line: 16