.multicol {
    columns: 2 30em;
}

.full-width {
    break-inside: avoid;
    column-span: all;
}

.half-width {
    break-inside: avoid;
}

.venue-width {
    flex: 1 0 60%;
}

.link-width {
    flex: 1 0 40%;
}

@media(max-width: 60em) {
    .multicol {
        columns: none;
        display: flex;
        flex-flow: column wrap;
    }
    .venue-width, .link-width {
        flex: 1 0 100%;
    }
}