@keyframes niprogress {
    from {
        width: 0%;
    }

    to {
        width: 100%;
    }
}

.scroll-container {
    scroll-timeline: --scroll-container y;
    position: relative;
}

.scroll-container::before {
    content: '';
    position: sticky;
    top: 0;
    left: 0;
    z-index: 5;
    height: 10px;
    width: 0%;
    background-color: #F44336;
    border-radius: 5px;
    animation: niprogress linear;
    animation-timeline: --scroll-container;
    display: block;
    flex-shrink: 0;
    order: -1;
    align-self: stretch;
}