Atreus CSS

    #appcontent,
        #appcontent > #content,
        #appcontent > #content > tabbox > tabpanels {
          background: #202020 !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: 0px none !important;
            background-image: none !important;
            margin-top: 0px !important;
            margin-left: 2px !important;
            max-height: 16px !important;
            min-height: 16px !important;
        }

        tabs#tabbrowser-tabs {
            background: #202020 !important;
            padding-top: 0px !important;
            margin-left: 0px !important;
            padding-top: 0px !important;
            padding-bottom: 0px !important;
            border-bottom: 0px none !important;
            text-align: center !important;
            /*box-shadow: inset 0px -4px 2px rgba(0,0,0,0.1) !important;*/
        }

        .tabbrowser-tab {
                max-height: 12px !important;
                margin-left: 0px !important;
                padding-top: 2px !important;
                height: 26px !important;
                color: #5C5C5C !important;
                border-bottom: 0px none !important;
                background: #202020 !important;
                /*box-shadow: inset 0px -4px 2px rgba(0,0,0,0.1) !important;*/

        }

        .tabbrowser-tab[selected=true] {
                color: #FFFFFF !important;
                background: #202020 !important;
                border-bottom: 0px none !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: cure.se !important;
        }

        #urlbar dropmarker,
        #identity-box,
        #star-button,
        #go-button,
        #back-button,
        #forward-button,
        #reload-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: 130px !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;
        }*/


    /*  scrollbar
            scrollbar scrollbarbutton ,
            scrollbar gripper {
                    visibility: collapse;
            }

            scrollbar ,
            scrollbar thumb {
                    -moz-appearance: none !important;
            }

            scrollbar[orient="vertical"] {
                    -moz-margin-start: -4px;
                    min-width: 4px;
                    max-width: 4px;
            }

            scrollbar[orient="horizontal"] {
                    margin-top: -4px;
                    min-height: 4px;
                    max-height: 4px;
            }

            scrollbar {
                    position: relative;
                    background-image: none;
                    z-index: ;
                    background-color: transparent;
            }

            scrollbar:hover {
                    background-color: ButtonHighlight;
                    transition: all 0.2s ease 0s;
            }

            scrollbar thumb {
                    border: none !important;
                    border-radius: 1.5px !important;
                    background-color: #92969b;
                    opacity: .55;
            }

            scrollbar:hover thumb {
                    opacity: 1;
                    transition: all 0.2s ease 0s;
            }

            scrollbar thumb:active ,
            scrollbar thumb:hover {
                    opacity: 1;
                    background-color: ButtonShadow;
                    transition: all 0.2s ease 0s;
            }
    */

        .searchbar-engine-image {
               display: none !important;
        }
        .search-go-button {
               display: none !important;
        }
        #nav-bar {
               background-image: none !important;
               background-color: #202020 !important;
               margin-left: 40px !important;
               border: none !important;
               margin-bottom: 0 !important;
               padding: 5 !important;
        }
        #url-bar {
            background: none !important;
            border: none !important;
            margin-left: 20px !important;
            border-radius: 1px 0 0 0 !important;
            margin: 0 !important;
            box-shadow: none !important;
            color: #202020 !important;
        }

        /* Make my URL bar and Search bar bigger and bolder.  */
            #urlbar, #searchbar .searchbar-textbox {
            font-family: cure.se !important;
            font-size: 9pt;
            }