For Sublime 3 go to Preferences > Package Settings > Emmet > Setting - User and add this for writing better media queries quickly in Emmet. mqm => min-width media query mqx => max-width media query

Better Emmet Media Queries

{
	"snippets": {
		"css": {
			"abbreviations": {
				"mqm": "@media screen and (min-width:${1}) {\n\t|\n}",
				"mqx": "@media screen and (max-width:${1}) {\n\t|\n}"
			}
		}
	}
}