.loader-container {
    position: absolute;
    z-index: 9999;
    width: 100%;
    height: 5px;
    overflow-x: hidden;
    background-color: #111;
    opacity: .7;
    top: 0;
    left: 0;
    right: 0;
}

.loader-container .line {
    position: absolute;
    opacity: 0.4;
    background: #9d1611;
    width: 150%;
    height: 5px;
}

.loader-container .subline {
    position: absolute;
    background: #ff3e00;
    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 #ff3e00;
}


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

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

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

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