Font face mixin https://coderwall.com/p/4hd9bw/easy-embedding-of-web-fonts-using-a-sass-mixin https://github.com/magnetikonline/sassboilerplate/blob/master/fontface.scss

font.scss

@mixin fontFace($family,$src,$style: normal,$weight: normal) {
	@font-face {
		font-family: $family;
		src: url('#{$src}.eot'); // IE9 compat
		src: url('#{$src}.eot?#iefix') format('embedded-opentype'), // IE8 and below
			url('#{$src}.woff') format('woff'), // standards
			url('#{$src}.ttf') format('truetype'), // Safari, Android, iOS
			url('#{$src}.svg##{$family}') format('svg'); // legacy iOS

		font-style: $style;
		font-weight: $weight;
	}
}