@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */

#main-window:not([disablechrome]) #navigator-toolbox[tabsontop="true"] {
                 border: 0px !important;
}

    .tabbrowser-arrowscrollbox > .scrollbutton-up,
    .tabbrowser-arrowscrollbox > .scrollbutton-down,
    toolbarbutton#appmenu-toolbar-button,
    toolbarbutton#alltabs-button,
    toolbarbutton#new-tab-button,
    .tabs-closebutton-box,
    .tab-close-button {
        display: none !important;
    }

    tabs#tabbrowser-tabs, tabs#tabbrowser-tabs * {
        -moz-appearance: none !important;
        -moz-border-radius: 0px !important;
        border: 0px !important;
        margin: 0 !important;
        padding: 0 !important;
        background-image: none !important;
        font-family: monospace !important;
    }

    tabs#tabbrowser-tabs {
        background: #3f3f3f !important;
    }

        .tabs-newtab-button {
            display: none;
        }

#main-window #content .tabbrowser-tabs {
  -moz-appearance: none !important;
  margin-top: -3px!important;
  margin-bottom: -3px!important;
  border-top: 0px solid !important;
  padding:0 !important;
}

.tabs-bottom {
  border-top: 0px solid !important;
  border-bottom: 0px solid !important;
  margin-bottom: 3px!important;
  min-height: 21px !important;
  background: #3f3f3f !important;
}

.tabbrowser-tab {
  -moz-appearance: none !important;
  -moz-border-radius: 0px !important;
  min-height: 18px !important;
  margin:0 -1px !important;
  padding:0 !important;
  padding-top:3px !important;
  border-right: 0 !important;
  color: #dcdccc !important;
  background: #3f3f3f !important;
}

.tabbrowser-tab[selected="true"] {
  background: #242421 !important;
  color: #d7d7af !important;
}

.tabbrowser-tab .tab-text {
  border:0px !important;
}

.tabbrowser-arrowscrollbox {
  max-height: 21px !important;
  background: #4e4e4e !important;
}

.tabs-closebutton-box, .tab-close-button, .tabs-newtab-button, .tabs-alltabs-button, .tabbrowser-arrowscrollbox > .scrollbutton-up, .tabbrowser-arrowscrollbox > .scrollbutton-down {
  display: none !important;
}

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

/* Bookmarks Toolbar: no icons */
#personal-bookmarks .toolbarbutton-icon { display: none !important; }