Atom setting

atom-setting.md

Key map file

'atom-text-editor[data-grammar="source gfm"]:not([mini])':
  'tab': 'markdown-folding:cycle'
  'cmd-i': 'markdown-writer:toggle-italic-text'
  'cmd-b': 'markdown-writer:toggle-bold-text'
  'cmd-j cmd-p': 'markdown-writer:jump-to-previous-heading'
  'cmd-j cmd-n': 'markdown-writer:jump-to-next-heading'

'body':
  'ctrl-n': 'pane:show-next-item'
  'ctrl-p': 'pane:show-previous-item'

style.less

.markdown-preview.markdown-preview {
  font-size: 150%;
}