component/tooltip/tooltip-style

Example page

import { Chart } from '@antv/g2';

const chart = new Chart({
  container: 'container',
});

chart.options({
  type: 'interval',
  data: {
    type: 'fetch',
    value:
      'https://gw.alipayobjects.com/os/bmw-prod/f129b517-158d-41a9-83a3-3294d639b39e.csv',
    format: 'csv',
  },
  transform: [
    { type: 'sortX', by: 'y', reverse: true, slice: 6 },
    { type: 'dodgeX' },
  ],
  encode: { x: 'state', y: 'population', color: 'age' },
  scale: { y: { nice: true } },
  axis: { y: { labelFormatter: '~s' } },
  interaction: {
    tooltip: {
      shared: true,
      css: {
        '.g2-tooltip': {
          background: '#eee',
          'border-radius': ' 0.25em !important',
        },
        '.g2-tooltip-title': {
          'font-size': '20px',
          'font-weight': 'bold',
          'padding-bottom': '0.25em',
        },
        '.g2-tooltip-list-item': {
          background: '#ccc',
          padding: '0.25em',
          margin: '0.25em',
          'border-radius': '0.25em',
        },
        '.g2-tooltip-list-item-name-label': {
          'font-weight': 'bold',
          'font-size': '16px',
        },
        'g2-tooltip-list-item-marker': {
          'border-radius': '0.25em',
          width: '15px',
          height: '15px',
        },
        '.g2-tooltip-list-item-value': {
          'font-weight': 'bold',
          'font-size': '16px',
        },
      },
    },
  },
});

chart.render();