Based on the reset included with Elliot Jay Stocks Starkers theme, in turn adapted from Normalize, HTML5 Boilerplate and HTML5 Doctor Reset.

_reset.scss

/**
 * Adapted from:
 * Normalize.css by Nicolas Gallagher and Jonathan Neal:https://github.com/necolas/normalize.css/
 * HTML5 boilerplate:http://html5boilerplate.com/
 * HTML5 Doctor Reset by Eric Meyer and Richard Clark:html5doctor.com/html-5-reset-stylesheet/
 * Modified by Elliot Jay Stocks
 */

html,body,div,span,object,iframe,h1,h2,h3,h4,h5,h6,p,blockquote,pre,abbr,address,cite,code,del,dfn,em,img,ins,kbd,q,samp,small,strong,sub,sup,var,b,i,dl,dt,dd,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,figcaption,figure,footer,header,hgroup,menu,nav,section,summary,time,mark,audio,video {
  background:transparent;
	border:0;
	font-size:100%;
	margin:0;
	outline:0;
	padding:0;
	vertical-align:baseline; }
article,aside,details,figcaption,figure,footer,header,hgroup,nav,section { display:block; }
audio,canvas,video { display:inline; zoom:1; }
audio:not([controls]) { display:none; }
[hidden] { display:none; }
html, body { height:100%; }
html {
	-ms-text-size-adjust:100%;
	-webkit-text-size-adjust:100%;
	font-size:100%;
	overflow-y:scroll; }
body { margin:0; }
h1,h2,h3,h4,h5,h6 { font-weight:400; }
a:focus { outline:thin dotted; }
li { list-style:none; }
abbr[title] { border-bottom:none; }
b,strong { font-weight:700; }
i,em,dfn { font-style:italic; }
hr {
	border:0;
	border-top:1px solid #ccc;
	display:block;
	height:1px;
	margin:1em 0;
	padding:0; }
ins, mark { color:#000; }
ins {	background:#ff9; text-decoration:none; }
mark { background:#ff0; font-style:italic; font-weight:700; }
pre,code,kbd,samp { _font-family:'courier new', monospace; font-family:monospace, monospace; }
pre { white-space:pre-wrap; word-wrap:break-word; }
q { quotes:none; }
q:before,q:after { content:none; }
small { font-size:85%; }
sub,sup {
	font-size:75%;
	line-height:0;
	position:relative;
	vertical-align:baseline; }
sup { top:-.5em; }
sub { bottom:-.25em; }
img { -ms-interpolation-mode:bicubic; border:0; vertical-align:middle; }
label { cursor:pointer; }
input,select,textarea { font-size:100%; margin:0; vertical-align:middle; }
button,input { line-height:normal; overflow:visible; }
button,input[type=button],input[type=reset],input[type=submit] { -webkit-appearance:button; cursor:pointer; }
input[type=checkbox],input[type=radio] { box-sizing:border-box; }
input[type=search] {
	-moz-box-sizing:content-box;
	-webkit-appearance:textfield;
	-webkit-box-sizing:content-box;
	box-sizing:content-box; }
input[type=search]::-webkit-search-decoration { -webkit-appearance:none; }
button::-moz-focus-inner,input::-moz-focus-inner { border:0; padding:0; }
textarea { overflow:auto; resize:vertical; vertical-align:top; }
table { border-collapse:collapse; border-spacing:0; }
td { vertical-align:top; }