userChrome.css

/*
 * Edit this file and copy it as userChrome.css into your ff profile
 */

/*
 * This file can be used to customize the look of Mozilla's user interface
 * You should consider using !important on rules which you want to
 * override default settings.
 */

/*
 * Do not remove the @namespace line -- it's required for correct functioning
 */
@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */

/* Show tab favicon only on selected tab */
/*tab:not([selected="true"])*/
.tab-icon {
  display: none;
}
.tabbrowser-tab .tab-icon-image {
  visibility: hidden !important;
}

#feed-button {
  display: none !important
}
#urlbar[level] .autocomplete-textbox-container >* {
  background-color: #FFFFB7 !important;
}
.autocomplete-history-dropmarker {
  display: none !important;
}

/* Hide Tabbar close Button */
tabbrowser .tabs-closebutton-box {
  display: none;
}
/* PERSONAL TOOLBAR */

/*
 * Note: Rules affecting icons on the PT do not apply to folder contents.
 * Those are governed by "Bookmarks menu" rules.
 * Taken from: http://www.mozilla.org/unix/customizing.html#usercss
 */

/* Kill bookmark icons in the Personal Toolbar */
toolbarbutton.bookmark-item > .toolbarbutton-icon {
  display: none;
}

/* BOOKMARKS MENU */

/* Kill "normal" bookmark icons in the bookmarks menu */
menuitem.bookmark-item > .menu-iconic-left {
  display: none;
}

/* kill icons for bookmark folders in Bookmarks menu */
menu.bookmark-item > .menu-iconic-left {
  display: none;
}

/* kill icons for bookmark groups in Bookmarks menu */
menuitem.bookmark-group > .menu-iconic-left {
  display: none;
}

/* I hate icons */
/* hide favicon placeholder in Address url toolbar http://support.mozilla.com/tiki-view_forum_thread.php?locale=el&forumId=1&comments_parentId=170737*/
#page-proxy-stack {
  display:none!important
}

#contentAreaContextMenu menuitem .menu-iconic-left,
#contentAreaContextMenu menu .menu-iconic-left {
 visibility: hidden !important;
}

    /* Show Stop and Reload buttons smartly*/
    #stop-button[disabled] {
    display: none;
    }

    #stop-button:not([disabled]) + #reload-button {
        display: none;
    }

/* Tabs */
.tabs-newtab-button {
        display: none !important;
        border: none !important;
        margin: 0 !important;
}


.tabbrowser-tab[selected="true"] {
        border: none !important;
         font-family: "pragmata" !important;
        border-radius: 0 !important;
        padding-left: 5px !important;
        padding-right: 5px !important;
}

.tabbrowser-tab:not([selected="true"]) {
        border: none !important;
        font-family: "pragmata" !important;
        background: #fff !important;
        border-radius: 0 !important;
        padding-left: 5px !important;
        padding-right: 5px !important;
}

{
    -moz-appearance: none !important;
}

#content browser{margin-right:-16px!important;overflow-y:scroll;overflow-x:hidden;}

.appmenu-button-container {
    background: #303030 !important;
}

#navigator-toolbox #TabsToolbar, {
    background: #303030 !important;
}

#appmenu-toolbar-button,
.tabbrowser-tab {
    font: 8pt "pragmata" !important;
    background-color: #303030 !important;
    text-shadow: none !important;
    color: #676767 !important;
}

#urlbar {
    height: 22px;
}

#go-button,
#star-button,
.tab-close-button,
.autocomplete-history-dropmarker,
.tabbrowser-tab[label="New Tab"]:not([blah]) .tab-icon-image,
.tabbrowser-tab .tab-icon-image {
    display: none !important;
}

.appmenu-toolbar-button {
    background: #303030 !important;
    color: #676767 !important;
    text-align: left !important;
    margin: 0 3px 0 0px !important;
    padding: 0 0 0 0 !important;
}

.toolbarbutton-menu-dropmarker {
    display: none !important;
}

#navigator-toolbox #TabsToolbar {
    background: #303030 !important;
    padding: 0px 0px !important;
    height: 20px !important;
}

.tabbrowser-tab {
    text-align: center !important;
    color: #676767 !important;
    background: #303030 !important;
    margin: -2px 0px 0px 0px !important;
    padding: 0px 2px 0px 4px !important;
    border: 0 !important;
    border-left: 0px solid #676767 !important;
    border-right: 0px solid #676767 !important;
    border-radius: 0px !important;
}
.tabbrowser-tab[selected="true"] {
    background: #202020 !important;
    border-left: 0px solid #676767 !important;
    border-right: 0px solid #676767 !important;
    padding: 0px 2px 0px 3px !important;
    color: #ababab !important;
}

/*Remove the throbber */
#throbber-box {
display: none !important;
}

/*
 * For more examples see http://www.mozilla.org/unix/customizing.html
 */