CSS normalization addon (fonts, box sizing and hardware acceleration).

butterflies.css

* {
	/**
	* Improve font rendering and readability/legibility on MacOS and Windows
	*/
	text-rendering: optimizeLegibility;
	-webkit-font-smoothing: antialiased;

	-moz-osx-font-smoothing: grayscale; 

	-moz-font-feature-settings: "liga=1, dlig=1";
	-ms-font-feature-settings: "liga", "dlig";
	-webkit-font-feature-settings: "liga", "dlig";
	-o-font-feature-settings: "liga", "dlig";
	font-feature-settings: "liga", "dlig";
	/* END */

	/**
	* Activate hardware acceleration
	*/
	-webkit-transform: translate3d(0, 0, 0);
	-moz-transform: translate3d(0, 0, 0);
	-ms-transform: translate3d(0, 0, 0);
	-o-transform: translate3d(0, 0, 0);
	transform: translate3d(0, 0, 0);

	-webkit-backface-visibility: hidden;
	-moz-backface-visibility: hidden;
	-ms-backface-visibility: hidden;
	-o-backface-visibility: hidden;
	backface-visibility: hidden;

	-webkit-perspective: 1000;
	-moz-perspective: 1000;
	-ms-perspective: 1000;
	-o-perspective: 1000;
	perspective: 1000;
	/* END */

	/**
	* Reset fix padding/margin/border sizing
	*/
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	/* END */
}