Syntax specific settings for Markdown files in Sublime Text 3 using the Markdown Editing package.

Markdown.sublime-settings

{
    "extensions":
    [
        "markdown",
        "md",
        "mdown",
        "txt"
    ],
    "wrap_width": 80,
    "font_size": 15,
    "color_scheme": "Packages/MarkdownEditing/MarkdownEditor-Dark.tmTheme",
    "gutter": false,
    "caret_style": "smooth",
    "caret_extra_width": 1,
    "line_padding_bottom": 3,
    "line_padding_top": 3
}