@media screen and (prefers-reduced-motion: reduce), (update: slow) {
    .messageflash,
    span.spinner {
        animation: none;
    }

    .ui-progressbar-value {
        animation: none;
        background-image: none;
    }

    progress::-webkit-progress-value {
        animation: none;
        background-image: none;
    }

    progress:indeterminate::-webkit-progress-bar {
        animation: none;
        background-image: none;
    }

    progress::-moz-progress-bar {
        animation: none;
        background-image: none;
    }

    progress:indeterminate::-moz-progress-bar {
        animation: none;
        background-image: none;
    }

    progress::-ms-fill {
        animation: none;
        background-image: none;
    }
}