.bg-img {
    position: fixed;
    z-index: -1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.black-outline {
    text-shadow: /* also change .flow-item-row-with-prompt:hover::before */
        -1px -1px 0 rgba(0,0,0,.6),
        0 -1px 0 rgba(0,0,0,.6),
        1px -1px 0 rgba(0,0,0,.6),
        -1px 1px 0 rgba(0,0,0,.6),
        0 1px 0 rgba(0,0,0,.6),
        1px 1px 0 rgba(0,0,0,.6);
}

.search-query-highlight {
    border-bottom: 1px solid black;
    font-weight: bold;
}