@-webkit-keyframes progress-bar-stripes {
    from {
        background-position: 40px 0;
    }
    to {
        background-position: 0 0;
    }
}

@-o-keyframes progress-bar-stripes {
    from {
        background-position: 40px 0;
    }
    to {
        background-position: 0 0;
    }
}

@keyframes progress-bar-stripes {
    from {
        background-position: 40px 0;
    }
    to {
        background-position: 0 0;
    }
}