[COLOR=black]Du musst das Attribut "background" noch explizit leeren.
A[/COLOR][COLOR=black]lso folgendes noch in Deine neue Klasse reinschreiben
[/COLOR]
Code
[COLOR=#000000][COLOR=black][COLOR=black].[/COLOR][COLOR=black]imp a[/COLOR][COLOR=#006600][COLOR=black] {[/COLOR]
[/COLOR][COLOR=black]color[/COLOR][COLOR=black]: [/COLOR][COLOR=#ff9900][COLOR=black]#00468C;[/COLOR]
[/COLOR][COLOR=black]text[/COLOR][COLOR=black]-[/COLOR][COLOR=black]decoration[/COLOR][COLOR=black]: [/COLOR][COLOR=black]none[/COLOR][/COLOR][COLOR=#006600][COLOR=black];
background-image: none;
bzw. background: none;
}[/COLOR][/COLOR][/COLOR]