別人的自動隱藏

@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);
/* AGENT_SHEET */

/* 导航栏定位方式及其基本样式 */
window:not([sizemode="fullscreen"]) #nav-bar {
    position: fixed !important;
    width: 100% !important;
    border-style: solid !important;
    border-color: rgba(160,180,200,.75) !important;
    border-width: 0px 0px 1px 0px !important;
}
/* 导航栏及相关组件隐藏，解决有时图标及地址栏搜索栏上移问题 */
window:not([sizemode="fullscreen"]) #navigator-toolbox #nav-bar-customization-target,
window:not([sizemode="fullscreen"]) #navigator-toolbox #searchbar .searchbar-textbox,
window:not([sizemode="fullscreen"]) #nav-bar {
    overflow: hidden !important;
    min-height: 0px !important; max-height: 0px !important;
    padding: 0px !important; margin: 0px !important;
    transition: .05s ease-in .25s;
}
/* 导航栏及相关组件掠过浮现 */
window:not([sizemode="fullscreen"]) #navigator-toolbox:hover #nav-bar-customization-target,
window:not([sizemode="fullscreen"]) #navigator-toolbox:hover #searchbar .searchbar-textbox,
window:not([sizemode="fullscreen"]) #navigator-toolbox:hover > #nav-bar {
    visibility: visible !important;
    padding: 0px !important; margin: 0px !important;
    min-height: 42px !important; max-height: 42px !important;
    transition: .0s;
}

/* 地址栏长度修补 */
#urlbar-container { width: 1175px !important; /* 地址栏长度，请自调 */ }

/* 前进按钮增补样式 */
#forward-button { opacity: 1 !important; visibility: visible !important; }
/*搜索栏宽度*/
#urlbar{height:24px !important;}