screen tag in css showing error in netbeans? -


i'm creating sample application using netbeans having css files in that. i'm using following tag:

@media screen , (max-width: 320px) {     #hero{height: 480px;}     .herocontent{padding-top: 100px; padding-bottom: 30px;} }

this tag showing error "un expected symbols found and" message.

@media screen , (max-width: 500px) {     .gridmenu {         width:100%;     } }

this tag showing error "un expected symbol found screen" message. please me resolve these issues.

perhaps netbeans bug, see https://netbeans.org/bugzilla/show_bug.cgi?id=177048


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