(this.findbarclose = {
            timer: null,
            init(that) {
                gBrowser.tabpanels.addEventListener("findbaropen", this);
                window.addEventListener("keydown", this, true);
                that.unloadlisteners.push("findbarclose");
            },
            close: function() {
                this.delay = 3000; // Задержка скрытия
                this.timer = null;
                this._init = (e) => {
                    var findbar = this.findbar = e.target;
                    var parent = this.parent = findbar.parentNode;
                    parent.addEventListener("findbarclose", this);
                    parent.addEventListener("mousedown", this);
                    var tab = this.tab = gBrowser.getTabForBrowser(findbar._browser);
                    tab.addEventListener("TabClose", this);
                };
                this.removeListener = () => {
                    this.parent.removeEventListener("findbarclose", this);
                    this.parent.removeEventListener("mousedown", this);
                    this.tab.removeEventListener("TabClose", this);
                };
                this.handleEvent = (e) => {
                    clearTimeout(this.timer);
                    if (e.type == "mousedown") {
                        if (e.target?.closest("findbar") == this.findbar)
                            return;
                        this.timer = setTimeout(() => {
                            this.removeListener();
                            if (!this.findbar.hidden)
                                this.findbar.close();
                        }, this.delay);
                        return;
                    }
                    this.removeListener();
                };
            },
            keydown(e) {
                if (e.ctrlKey && e.code == "KeyF" && !e.altKey && !e.shiftKey) {
                    if (this.timer != null) {
                        e.preventDefault();
                        return;
                    }
                    this.timer = setTimeout(() => {
                        this.timer = null;
                    }, 1000);
                    if (window.gFindBarInitialized && !gFindBar.hidden) {
                        e.preventDefault();
                        gFindBar.close();
                    }
                }
            },
            findbaropen(e) {
                (new this.close())._init(e);
            },
            handleEvent(e) {
                this[e.type](e);
            },
            destructor() {
                gBrowser.tabpanels.removeEventListener("findbaropen", this);
                window.removeEventListener("keydown", this, true);
            }
        }).init(this);

#urlbar-container,
#search-container { /* это правило не является обязательным */
    padding: 1px 0 !important;
    margin: 0 1px !important;
}

#urlbar-container[breakout] {
    position: relative !important;
    min-height: var(--urlbar-container-height) !important;
}

#urlbar[breakout] {
    display: block !important;
    position: absolute !important;
    width: 100% !important;
    height: var(--urlbar-height) !important;
    top: calc((var(--urlbar-container-height) - var(--urlbar-height)) / 2) !important;
    left: 0px !important;
}

#urlbar[breakout] > #urlbar-input-container {
    width: 100% !important;
    height: var(--urlbar-height) !important;
    padding: 0 !important;
    vertical-align: top !important;
}

#urlbar[breakout][breakout-extend],
#urlbar[breakout][breakout-extend-disabled][open] {
    height: auto !important;
}

#urlbar[breakout] > #urlbar-background {
    animation: none !important;
    inset-inline-start: 0 !important;
    box-shadow: none !important;
    height: var(--urlbar-height) !important;
    top: 0px !important;
    bottom: auto !important;
}

#urlbar[breakout] > .urlbarView {
    margin: 0 !important;
    width: 100% !important;
    border-bottom-left-radius: var(--toolbarbutton-border-radius, 4px) !important;
    border-bottom-right-radius: var(--toolbarbutton-border-radius, 4px) !important;
    color: var(--autocomplete-popup-color, var(--arrowpanel-color, rgba(12, 12, 13, 1))) !important;
    background: var(--autocomplete-popup-background, var(--arrowpanel-background, rgba(10,10,15,0.8))) !important;
    border: 1px solid var(--panel-separator-color, var(--arrowpanel-border-color, rgba(250,250,255,0.3))) !important;
}

*|*:root[lwt-popup-brighttext] #urlbar[breakout] > .urlbarView {
    color: var(--autocomplete-popup-color, var(--arrowpanel-color, rgb(240,240,245))) !important;
    background: var(--autocomplete-popup-background, var(--arrowpanel-background, rgba(10,10,15,0.8))) !important;
    border: 1px solid var(--panel-separator-color, var(--arrowpanel-border-color, rgba(250,250,255,0.3))) !important;
}

#urlbar[breakout] > .urlbarView *|*.urlbarView-body-inner {
    border: none !important;
}

#urlbar[breakout] > #urlbar-input-container > #urlbar-search-icon {
    fill: currentColor !important;
    fill-opacity: .6 !important;
}

/* Прозрачность */
#urlbar > .urlbarView, #urlbar-results, #PopupSearchAutoComplete {
    --arrowpanel-dimmed: rgba(60,60,65,0.4) !important;
    --arrowpanel-dimmed-further: Highlight !important;
    --arrowpanel-dimmed-even-further: transparent !important;
    --panel-separator-color: rgba(250,250,255,0.3) !important;
    --chrome-content-separator-color: rgba(250,250,255,0.3) !important;
    --arrowpanel-border-color: rgba(250,250,255,0.3) !important;
    --arrowpanel-background: rgba(0,0,0,0.8) !important;
    --autocomplete-popup-highlight-background: transparent !important;
    --autocomplete-popup-background: rgba(10,10,15,0.8) !important;
    --autocomplete-popup-color: rgb(240,240,245) !important;
    --arrowpanel-color: rgb(240,240,245) !important;
    --panel-disabled-color: rgb(190,190,195) !important;
    --urlbar-popup-url-color: LightSkyBlue !important;
    --urlbar-popup-action-color: Aquamarine !important;
    border: 1px solid var(--chrome-content-separator-color) !important;
}

:any-link:visited,
:any-link:not(#thumbnail).yt-simple-endpoint:visited * {
    color: #990000 !important;
}
:any-link:hover,
:any-link:not(#thumbnail).yt-simple-endpoint:hover * {
    text-decoration: underline !important;
}