.indeterminate-progress-slider {
    margin-left: auto;
    margin-right: auto;
    margin-top: 24px;
    width: 50%;
    height: 5px;
    overflow-x: hidden;
    position: relative;
    vertical-align: top;
}

.indeterminate-progress-line {
    position: absolute;
    opacity: 0.4;
    background: #4a8df8;
    width: 150%;
    height: 5px;
}

.indeterminate-progress-subline {
    position: absolute;
    background: #4a8df8;
    height: 5px;
}

.indeterminate-progress-inc {
    animation: indeterminate-progress-increase 2s infinite;
}

.indeterminate-progress-dec {
    animation: indeterminate-progress-decrease 2s 0.5s infinite;
}

@keyframes indeterminate-progress-increase {
    from {
        left: -5%;
        width: 5%;
    }

    to {
        left: 130%;
        width: 100%;
    }
}

@keyframes indeterminate-progress-decrease {
    from {
        left: -80%;
        width: 80%;
    }

    to {
        left: 110%;
        width: 10%;
    }
}