/* Apply to the root so fixed-position menus and dialogs keep their viewport. */
html {
    -webkit-filter: grayscale(100%);
    filter: grayscale(100%);
}

.mourning-banner {
    box-sizing: border-box;
    width: 100%;
    margin: 0;
    padding: 18px 20px;
    background: #111;
    color: #fff;
    font-family: Arial, sans-serif;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.5;
    text-align: center;
}

@media (max-width: 600px) {
    .mourning-banner {
        padding: 14px 16px;
        font-size: 16px;
    }
}