.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(13, 148, 136, 0.35);
    background-color: color-mix(in srgb, var(--mb-accent, #0d9488) 35%, transparent);
    position: absolute
}
.pace-inactive {
    display: none
}
.pace-progress {
    height: 3px;
    z-index: 2;
    position: relative;
    transition: all .1s
}
.pace-activity {
    display: none
}