BetterDiscordApp-v2/client/src/styles/partials/layouts.scss

.bd-flex {
    display: flex;
}

.bd-flex-row {
    flex-direction: row;
}

.bd-flex-col {
    flex-direction: column;
}

.bd-flex-grow {
    flex-grow: 1;
}

.bd-flex-spacer {
    flex-grow: 1;
}

.bd-hide {
    display: none;
}