antd-mobile/2x/cjs/components/tag/tag.css

<img src="https://gw.alipayobjects.com/mdn/rms_ee68a8/afts/img/A*hjjDS5Yy-ooAAAAAAAAAAAAAARQnAQ" alt="logo" width="100%" />

.adm-tag {
  --border-radius: var(--adm-tag-border-radius, 4px);
  padding: 4px 8px;
  font-size: 22px;
  line-height: 1;
  font-weight: normal;
  background: var(--background-color);
  color: var(--text-color);
  display: inline-block;
  white-space: nowrap;
  border-radius: var(--border-radius);
  border: 2px solid var(--border-color);
  box-sizing: border-box;
}

.adm-tag-round {
  border-radius: 200px;
}