Atom.io Settings

keyman.cson

# Mimic Some Textmate Keyboard Shortcuts
'atom-workspace atom-text-editor:not([mini])':
  'alt-cmd-[': 'editor:auto-indent'
  'alt-cmd-w': 'editor:toggle-soft-wrap'
  'alt-cmd-i': 'window:toggle-invisibles'

# Preserve Emmet keybindings but fix tab collision
# https://github.com/emmetio/emmet-atom/issues/225
'atom-text-editor.autocomplete-active:not([mini])':
  'tab': 'autocomplete-plus:confirm'

styles.less

// style the background and foreground colors on the atom-text-editor-element
// itself
atom-text-editor {
  //  text-rendering: optimizeLegibility;
}

// To style other content in the text editor's shadow DOM, use the ::shadow
// expression
atom-text-editor::shadow .cursor {

}

// Lighten the indent guide a lot
atom-text-editor::shadow  .indent-guide {
  color: #efefef;
}

// emphasize the guide on the current line (cursor-line)
atom-text-editor::shadow .cursor-line .indent-guide {
  box-shadow: inset 1px 0 0 #ddd;
}