Trying to see where this 8px margin on my body element is coming from...

application.css.scss

/*
 * This is a manifest file that'll be compiled into application.css, which will include all the files
 * listed below.
 *
 * Any CSS and SCSS file within this directory, lib/assets/stylesheets, vendor/assets/stylesheets,
 * or vendor/assets/stylesheets of plugins, if any, can be referenced here using a relative path.
 *
 * You're free to add application-wide styles to this file and they'll appear at the top of the
 * compiled file, but it's generally better to create a new file per style scope.
 *
 *= require_self
 *= require_tree .
*/

nav {
  background-color: #b3b3b3;
  height: 40px;
}

a {
  color: white;
  text-decoration: none;
}

application.html.haml

!!! 5
%html(lang="en")
  %head
    %meta(charset="utf-8")
    %meta(name="viewport" content="width=device-width, initial-scale=1.0")
    %title= content_for?(:title) ? yield(:title) : "Kevin Musiorski"
    = csrf_meta_tags
    / Le HTML5 shim, for IE6-8 support of HTML elements
    /[if lt IE 9]
      = javascript_include_tag "http://html5shim.googlecode.com/svn/trunk/html5.js"
    = stylesheet_link_tag "application", :media => "all"
    
    %link(href="images/favicon.ico" rel="shortcut icon")
    %link(href="images/apple-touch-icon.png" rel="apple-touch-icon")
    %link(href="images/apple-touch-icon-72x72.png" rel="apple-touch-icon" sizes="72x72")
    %link(href="images/apple-touch-icon-114x114.png" rel="apple-touch-icon" sizes="114x114")

  %body
    %nav
      =link_to "Resume", "resume", :target => "blank"
    = yield
    
    /
      Javascripts
      \==================================================
    / Placed at the end of the document so the pages load faster
    = javascript_include_tag "application"

reset.css

/* http://meyerweb.com/eric/tools/css/reset/ 
   v2.0 | 20110126
   License: none (public domain)
*/

html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
	padding: 0;
	border: 0;
	font-size: 100%;
	font: inherit;
	vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
	display: block;
}
body {
	line-height: 1;
}
ol, ul {
	list-style: none;
}
blockquote, q {
	quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
	content: '';
	content: none;
}
table {
	border-collapse: collapse;
	border-spacing: 0;
}