Ruby.sublime-settings

{
  "tab_size": 2,
  "translate_tabs_to_spaces": true 
}

sublime-keymap

[
  { "keys": ["ctrl+alt+k"], "command": "scroll_lines", "args": {"amount": 1.0} },
  { "keys": ["ctrl+alt+j"], "command": "scroll_lines", "args": {"amount": -1.0} },

  { "keys": ["ctrl+shift+k"], "command": "select_lines", "args": {"forward": false} },
  { "keys": ["ctrl+shift+j"], "command": "select_lines", "args": {"forward": true} },

  { "keys": ["ctrl+super+k"], "command": "swap_line_up" },
  { "keys": ["ctrl+super+j"], "command": "swap_line_down" },

  { "keys": ["ctrl+["], "command": "hide_overlay", "context":
    [
      { "key": "overlay_visible", "operator": "equal", "operand": true }
    ]
  },
  { "keys": ["ctrl+["], "command": "hide_panel", "args": {"cancel": true}, "context":
    [
      { "key": "panel_visible", "operator": "equal", "operand": true }
    ]
  }

]

sublime-settings

{
  "draw_white_space": "all",
  "font_size": 16.0,
  "highlight_line": true,
  "ignored_packages":
  [
  "Vintage"
  ],
  "theme": "Flatland Dark.sublime-theme",
  "color_scheme": "Packages/Theme - Flatland/Flatland Dark.tmTheme",
  "rulers": [80]
}