message: tweak styles on MergeButton dropdown
diff: @@ -38,20 +38,20 @@ const MergeButton = ({ primary, onClick, numCommits, children}) => {
  <Button tag='summary' {...buttonSchemeProps} onClick={toggle} style={borderStyles}>
  <div className='d-inline-block v-align-middle' style={arrowStyles}/>
  </Button>
  - <Block position='absolute' mt={1} style={{zIndex: 99999}}>
  + <Block position='absolute' width={300} mt={1} style={{zIndex: 99999}}>
  <CaretBox caret='top-left'>
  <ul className='list-style-none p-0 m-0'>
  - <li className='border-bottom p-2'>
  - <Text tag='p' fontWeight='bold'>Create a merge commit</Text>
  - <Text tag='p'>All commits from this branch will be added to the base branch via a merge commit.</Text>
  + <li className='border-bottom py-2 pl-4 pr-2'>
  + <Text tag='p' m={0} fontSize={1} fontWeight='bold'>Create a merge commit</Text>
  + <Text tag='p' m={0} fontSize={0}>All commits from this branch will be added to the base branch via a merge commit.</Text>
  </li>
  - <li className='border-bottom p-2'>
  - <Text tag='p' fontWeight='bold'>Squash and merge</Text>
  - <Text tag='p'>The {numCommits} from this branch will be combined into one commit in the base branch.</Text>
  + <li className='border-bottom py-2 pl-4 pr-2'>
  + <Text tag='p' m={0} fontSize={1} fontWeight='bold'>Squash and merge</Text>
  + <Text tag='p' m={0} fontSize={0}>The {numCommits} from this branch will be combined into one commit in the base branch.</Text>
  </li>
  - <li className='p-2'>
  - <Text tag='p' fontWeight='bold'>Rebase and merge</Text>
  - <Text tag='p'>The {numCommits} from this branch will be rebased and added to the base branch</Text>
  + <li className='py-2 pl-4 pr-2'>
  + <Text tag='p' m={0} fontSize={1} fontWeight='bold'>Rebase and merge</Text>
  + <Text tag='p' fontSize={0} m={0}>The {numCommits} from this branch will be rebased and added to the base branch</Text>
  </li>
  </ul>
  </CaretBox>
  