The current userChrome.css (4)

Added quite a few options since the last one, actually the new add ons remove things from the GUI, on a feeble attempt to make it more minimalistic/ Chromium look a like.

/* No "New Tab button" abomination */
.tabs-newtab-button {display: none;}

toolbarbutton.bookmark-item {
        height: 0px !important;
 font-size: regular !important;
        margin-top: 0px !important;
        color: black !important;
}

/* Changes the color of only the Menu entry */
/* http://ubuntuforums.org/showthread.php?t=503508 */
menubar, menu {
        color: black !important;
        font-size: regular !important;
}

/* change font color of popup menus */
menupopup > menu,
menupopup > menuitem,
popup > menu,
popup > menuitem {
/* For dark themes set to "white" */
        color: white !important;
        font-size: regular !important;

/* For light themes set to "black" */
/*      color: black !important; */
}

/* Remove the Bookmark star, use Ctrl-D instead */
#star-button {
        display: none !important;
}

/* Remove the Go button, the green one from the URL box */
#urlbar-icons > #go-button
{
   display:   none !important;
}
   display:   none !important;
}

/* Remove splitter between the URL and Search bars to save space */
#urlbar-search-splitter {
 display: none !important;
}

/* hide toolbar borders */
menubar, toolbox, toolbar {
        border-style: none !important;
}

/* hide toolbar borders */
toolbar {
        -moz-appearance: none !important;
}

/* Remove the Help menu entry */
/* http://wiki.eeeuser.com/howto:shrinkfirefox */
menu[label="Help"] {
        display: none !important;
}

/* Hide urlbar and searchbar drop-down arrows */
#urlbar .autocomplete-history-dropmarker {
        display: none !important;
}
#searchbar .autocomplete-history-dropmarker {
 display: none !important;
}

/*  Hide Forward Back Dropmaker  */
#back-forward-dropmarker {
 display:none;
}

/* URL/ Address bar size */
#urlbar {
        max-width: 950px !important;
}

 /* Remove Stop button when there's nothing to Stop */
#stop-button[disabled="true"] {
        display: none;
}

/* Removes stupid option entries from the right click pop-up menu */
#context-viewbgimage,
#context-sep-viewbgimage {
 display: none !important;
}
#context-sendimage {
        display: none !important;
}
#context-setDesktopBackground {
        display: none !important;
}