firefox css

   @namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
   #appcontent,
        #appcontent > #content,
        #appcontent > #content > tabbox > tabpanels {
          background: #1a1a1a !important;
        }

        #main-window[stylish-url="about:blank"]:not([onclose^="PrintUtils"]):not([title^="Source Chart"]):not([chromehidden="menubar toolbar directories extrachrome "]) #content browser:not([src]){
           opacity: 0 !important;
        }

        a:active {
            outline: none !important;
        }

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

        tabs#tabbrowser-tabs, tabs#tabbrowser-tabs * {
            -moz-appearance: none !important;
            border-radius: 0px !important;
            border: none !important;
            border-bottom: none !important;
            background-image: none !important;
            margin-top: 0px !important;
            margin-bottom: 0px !important;
            max-height: 18px !important;
            min-height: 18px !important;
        }

        tabs#tabbrowser-tabs {
            background: #1a1a1a !important;
            padding-top: 0px !important;
            margin-left: 0px !important;
            padding-top: 0px !important;
            border-bottom: 0px !important;
            text-align: center !important;
/*            box-shadow: inset 0px -4px 3px rgba(0,0,0,0.1) !important; */
        }

        .tabbrowser-tab {
                max-height: inherit !important;
                margin-left: 0px !important;
                padding-top: 5px !important;
                color: #B6B6B6 !important;
                border-bottom: 0px !important;
                background: #1a1a1a !important;
                text-shadow: none !important;
/*                box-shadow: inset 0px -4px 3px rgba(0,0,0,0.1) !important; */
        }

        .tabbrowser-tab[selected=true] {
                color: #fff !important;
                background: #141415 !important;
                border-bottom: 0px !important;
                box-shadow: none !important;
        }

        .tabbrowser-tab .tab-text {
                margin-left: 3px !important;
                margin-right: 3px !important;
                margin-top: 2px !important;
                font-size: 11px !important;
                font-family: "haxrcure" !important;
        }

        #urlbar dropmarker,
        #star-button,
        #go-button,
        .tab-throbber,
        .tabs-newtab-button,
        .tab-throbber[progress] {
            display: none !important;
        }
        .titlebar-placeholder[type="caption-buttons"] {
            margin-left: 10px !important;
        }

        .tabbrowser-tabs:not([drag=detach]) > .tabbrowser-tab:not([pinned])[fadein] {
            min-width: 30px !important;
            max-width: 100% !important;
        }

        notificationbox {
            overflow-x: hidden;
        }

        /* hide vertical scrollbar */
        notificationbox {
            overflow-x: hidden;
        }
        browser[type="content-primary"], browser[type="content-targetable"] {
            overflow-y: scroll;
            margin-right: 0px; /* 12px == width of my scrollbar */
        }

        browser[type="content-primary"], browser[type="content-targetable"] {
            overflow-y: scroll;
            margin-right: 0px;
        }

        .searchbar-engine-image {
               display: none !important;
        }
        .search-go-button {
               display: none !important;
        }
        #nav-bar {
               background-image: none !important;
               background-color: #141415 !important;
               border: none !important;
               margin-bottom: 0 !important;
               padding: 0 !important;
        }
        #url-bar {
            background: none !important;
            border: none !important;
            border-radius: 1px 0 0 0 !important;
            margin: 0 !important;
            box-shadow: none !important;
            color: #1a1a1a !important;
        }

/* scrollbar */
scrollbar {
  -moz-appearance: none !important;
  box-shadow: none !important;
  border: none !important;
  background: transparent !important;
}
/* vertical scrollbar */
scrollbar[orient="vertical"] {
/*    background: #1a1a1a !important; */
    width: 3px !important;
}
/* horizontal scrollbar */
scrollbar[orient="horizontal"] {
    height: 3px !important;
/*    background: #1a1a1a !important; */
}
/* scrollbar handle */
scrollbar thumb {
  -moz-appearance: none !important;
  border: solid 0px transparent !important;
  background: #352B2F !important;
  border-radius: 0px !important;
}
scrollbar thumb:hover { background: #9F76A3 !important; }
scrollbar thumb:active { background: #9F76A3 !important; }
/* scrollbar up/down arrow buttons */
scrollbar[orient="horizontal"] scrollbarbutton {
    min-height: 10px !important;
    min-width: 10px !important;
    display: none !important;
}
scrollbar[orient="vertical"] scrollbarbutton {
    min-width: 10px !important;
    min-height: 10px !important;
    display: none !important;
}
scrollbarbutton {
    background: #1a1a1a !important;
    display: none !important;
}

/* top level container for tabs */
#navigator-toolbox { border-bottom: none !important; }

toolbarbutton#appmenu-toolbar-button {

    min-width: 11px !important;
    max-width: 11px !important;
    -moz-appearance: none !important;
    background: url("http://a.pomf.se/4Cj2.png");



}

.toolbarbutton-icon, .toolbarbutton-menu-dropmarker {

    visibility: hidden !important;

}

#furiganainjector-statusbarpanel, #htmlruby-icon {

    display: none !important;

}