.pace{position:fixed;width:100%;height:4px;z-index:9999;visibility:visible;opacity:1;top:0;left:0}.pace:before{content:'';display:block;width:100%;height:4px;background-color:rgba(255,255,255,.7);position:absolute}.pace-inactive{visibility:hidden;opacity:0;transition:all 5s}.pace-progress{height:4px;z-index:2;position:relative;transition:all .2s}.pace-activity{display:none}