老的样式在新的火狐上报错，如图

popup:not(#autoscroller),
menupopup{
-moz-appearance: -moz-win-glass!important ;
background: transparent !important;
border: none !important;
padding: 0px 0px 0px 0px !important;
margin: 0px !important
}
menuseparator
{
-moz-appearance: none !important;
opacity: 0 !important;
}
popup { background-color: menu !important; }
#context-navigation,/*四个按钮*/
#context-sep-navigation/*分割线----------------------*/
{ display:none !important; }
/*
popup:not(#autoscroller), menupopup
{
color: black !important;
-moz-appearance: -moz-win-glass !important ;
opacity: 80 !important;
border:2px solid !important;
padding: 0px 15px 15px 0px !important;
margin: -20px !important
}*/