naive-ui/styles/Icon.scss

@import './fonts/ionicons.scss';

.n-icon {
  height: 1em;
  width: 1em;
  text-align: center;
  display: inline-block;
  position: relative;
  &::before {
    width: 1em;
    position: absolute;
    top: 0;
    left: 0;
  }
}