<li style="padding:0.5em">
<input class="cbi-input-radio" onclick="cbi_d_update(this.id)" onchange="cbi_d_update(this.id)"<%=attr("type", self.widget or "radio") .. attr("id", cbid .. "_empty") .. attr("name", cbid) .. attr("value", "") .. ifattr(checked[""], "checked", "checked")%> />  
<label<%=attr("for", cbid .. "_empty")%> style="background-color:<%=fwm.zone.get_color()%>; padding:0.5em">
<li style="padding:0.5em">
<input class="cbi-input-radio" onclick="cbi_d_update(this.id)" onchange="cbi_d_update(this.id)"<%=attr("type", self.widget or "radio") .. attr("id", cbid .. "_empty") .. attr("name", cbid) .. attr("value", "") .. ifattr(checked[""], "checked", "checked")%> />  
<label<%=attr("for", cbid .. "_empty")%> style="background-color:<%=fwm.zone.get_color()%>; padding:0.5em">