.loader-container {
    position: absolute;
    z-index: 9999;
    width: 100%;
    height: 5px;
    overflow-x: hidden;
    background-color: #111;
    opacity: .6;
    top: 0;
    left: 0;
    right: 0;
}

    .loader-container .line {
        position: absolute;
        opacity: 0.4;
        background: #001f3f;
        width: 150%;
        height: 5px;
    }

    .loader-container .subline {
        position: absolute;
        background: #009aff;
        height: 5px;
    }

    .loader-container .inc {
        animation: increase 2s infinite;
    }

    .loader-container .dec {
        animation: decrease 2s 0.5s infinite;
    }

    .loader-container .dec, .loader-container .inc {
        border-bottom: 2px solid #009aff;
    }


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

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

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

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