sentry/static/app/components/events/errorLevel.tsx

import styled from '@emotion/styled';

import {Level} from 'sentry/types';

const DEFAULT_SIZE = '13px';

type Props = {
  level?: Level;
  size?: string;
};

const ErrorLevel = styled('span')<Props>`
  padding: 0;
  position: relative;
  width: ${p => p.size || DEFAULT_SIZE};
  height: ${p => p.size || DEFAULT_SIZE};
  text-indent: -9999em;
  display: inline-block;
  border-radius: 50%;
  flex-shrink: 0;
  background-color: ${p => (p.level ? p.theme.level[p.level] : p.theme.level.error)};
`;

export default ErrorLevel;