sentry/static/app/views/dashboards/manage/settings.tsx

import {space} from 'sentry/styles/space';

export const MINIMUM_DASHBOARD_CARD_WIDTH = 300;
export const DASHBOARD_CARD_GRID_PADDING = Number(space(2).replace('px', ''));
export const DASHBOARD_GRID_DEFAULT_NUM_ROWS = 3;
export const DASHBOARD_GRID_DEFAULT_NUM_COLUMNS = 3;
export const DASHBOARD_GRID_DEFAULT_NUM_CARDS = 8;