python-tdd/src/static_src/scss/_billboard.scss

html:has(body.page-billboard) {
    overflow: hidden;
}

body.page-billboard {
    overflow: hidden;

    .container {
        overflow: hidden;
        display: flex;
        flex-direction: column;
        flex: 1;
        min-height: 0;
    }

    .row {
        flex-shrink: 0;
        margin-bottom: -1rem;
    }
}

.billboard-page {
    flex: 1;
    min-width: 0;
    overflow-y: auto;
    position: relative;
    padding: 0.75rem;
}