.pace {
    position: fixed;
    width: 100%;
    height: 3px;
    z-index: 9999;
    top:0;
    left:0;
}


.pace:before {
    content: '';
    display: block;
    width: 100%;
    height: 3px;
    background-color: rgba(255,255,255,.4);
    position: absolute;
}

.pace-inactive {
    display: none;
}


.pace-progress {
    height:3px;
    z-index: 2;
    position: relative;
    transition:all .1s;
}


.pace-activity {
    display: none
}