#reading-progress {
    position: fixed;
    width: 100%;
    height: 5px;
    z-index: 9999;
    top: 0;
    left: 0;
    z-index: 10000;
}

#reading-progress-fill {
    height: 8px;
    width: 0;
}

/* Theme */
#reading-progress-fill {
    -webkit-transition: width 100ms ease;
    -o-transition: width 100ms ease;
    transition: width 100ms ease;
    background-color: #ffd900;
}