@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

#stylish-add-file .menu-iconic-left > .menu-iconic-icon, 
#stylish-add-text .menu-iconic-left > .menu-iconic-icon {
    list-style-image: url("chrome://stylish/skin/smallicon.png") !important; }