.progress-bar {
    width: 100%;
    height: 10px;
    position: fixed;
    top: 0;
    left: 0;
    box-sizing: border-box;
}

.progress-bar__indicator {
    width: 2%;
    height: 100%;
    background-color: #cdcdcd;
    transition: transform 250ms ease-in;
}