My firefox styles to go with FXopera

firefoxstyles.css

#historydropmarker, #autocomplete-history-dropmarker, #urlbar-history-dropmarker, #dropmarker, .autocomplete-history-dropmarker {
    display: none !important;
}

/* #urlbar > #identity-box > #identity-icon {
    display: none;
} */

.urlbar-input-box, #urlbar-reload-button, #PanelUI-button, #urlbar-go-button, #urlbar-stop-button {
    border: none;
}

#PanelUI-menu-button {
    padding-left: 0;
}

#urlbar {
    border: none !important;
    text-align: left !important;
    background: transparent !important;
    margin-top: -1px !important;
    border-radius: 0px;
    padding: 0px !important;
    color: rgb(80,80,80) !important;
    height: 10px;
    font-size: 14px;
}

notification[value="keyword-uri-fixup"]{
  display:none !important;
}


/* Tabs: no icons 
.tabbrowser-tabs .tab-icon-image { display: none !important; } */