Userchrome.css

/*Firefox:把侧边栏放到右边*/
#main-window > hbox { direction:rtl;}
#main-window > hbox > * { direction:ltr;}

高亮标签
.tabbrowser-tab[selected="true"] > hbox,
.tabbrowser-tab[selected="true"] > .tab-close-button {
background-color: #000088 !important;
color: #fff !important;
}
.tabbrowser-tab[selected="true"]:hover > hbox,
.tabbrowser-tab[selected="true"]:hover > .tab-close-button {
background-color: #0000BB !important;
color: #fff !important;
}

/* 隐藏标签栏 */
  #main-window .tabbrowser-strip {
    height: 5px !important;
    overflow: hidden !important;
  }

  #main-window .tabbrowser-strip:hover {
    height: 100% !important;
  }

/* remove the close-tab button. trust me, you need to do this. */
.tabbrowser-tabs > stack {
display: none;
}

/* 更改搜索栏长度 */
#search-container, #searchbar {
   max-width: 250px !important;
   width: 250px !important;
}


/* 更改地址栏长度 */
#urlbar {
max-width:width: 800px !important;
width: 800px !important;
}

/* 合并停止重新载入按钮 */
@namespace url();

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


.bookmark-item { /* 書籤寛度 */
min-width:50px !important; /* 最小寬度 */
max-width:250px !important; /* 最大寬度 */
}

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@import url("chrome://global/skin/subskin/BiggerFont.css");
@import url("chrome://global/skin/subskin/SamuiButton.css");
/* 在所有菜单添加滚动条 */
@namespace url("");

menupopup {
  max-height: 300px; /* or any height you want */
}

menupopup autorepeatbutton {
  display: none;
}

menupopup scrollbox {
  overflow-y: auto;
}

/* 隐藏右键菜单 */
#context-reload,
#context-stop,
#context-savepage,
#context-openlink,
#context-bookmarklink,
#context-bookmarkpage,
#context-selectall,
#context-sendimage,
#context-sendlink,
#context-sendpage,
#context-searchselect,
#context-back,
#context-forward,
#context-sep-selectall {
   display: none !important;
}


/* 添加搜索历史下拉箭头 */
#searchbar .autocomplete-history-dropmarker {
  -moz binding: url("chrome://global/content/bindings/autocomplete.xml#history-dropmarker");
  display: -moz-box !important;
}

/* 标签栏高度 */
.tabbrowser-strip {height:25px !important}

/* 缩小标签栏空白 */
.tabbrowser-tab[selected="true"], tab:not([selected="true"]) {margin-top: 0px !important;}

/* 隐藏状态栏进度条 */
#statusbar-progresspanel {display: none !important;}

/* 修改状态栏高度、字体，*/
#status-bar,
#bookmark-window statusbar {
min-height: 20px!important;
max-height: 20px!important;
}

/* Make all the default font sizes 9pt */
* {
   font: 微软雅黑 !important;
   font-size: 9pt !important;
}

/* 改变菜单的字体及样式 */
menubar > menu {font-size: 10px !important; font-family: 微软雅黑, sans-serif !important; font-weight: bold !important;}