message: Fix CircleOcticon
diff: @@ -2,21 +2,23 @@ import React from 'react'
  import PropTypes from 'prop-types'
  import Octicon from '@githubprimer/octicons-react'
  import Flex from './Flex'
  +import BorderBox from './BorderBox'
  function CircleOcticon(props) {
  const {size} = props
  const {icon, ...rest} = props
  return (
  - <Flex {...rest} size={size} alignItems="center" justifyContent="center">
  + <BorderBox overflow='hidden' border='none' size={size} borderRadius='50%'>
  + <Flex {...rest} alignItems="center" justifyContent="center">
  <Octicon icon={icon} size={size} />
  </Flex>
  + </BorderBox>
  )
  }
  CircleOcticon.defaultProps = {
  ...Flex.defaultProps,
  size: 32,
  - borderRadius: '50%'
  }
  CircleOcticon.propTypes = {
  