Wrintig the Custom CSS registration for multilingual Sites in SharePoint

Wrintig the Custom CSS registration for multilingual Sites in SharePoint 

From Layout forlder:
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<SharePoint:CssRegistration ID="CssRegistration1" Name="Themable/CommonInitiative.css" runat="server" After="oslo.css"/>

From Style Library: if using the varistion in sharepoint
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<SharePointWebControls:CssRegistration ID="CssRegistration3" name="<% $SPUrl:~sitecollection/Style Library/~language/Themable/New_Css/CommonInitiative.css %>" runat="server"/>