Add SCSS reset. (#12837)

ui_framework/components/global_styles/reset/_reset.scss

@@ -0,0 +1,58 @@
+/**
+ * Adapted from Eric Meyer's reset (http://meyerweb.com/eric/tools/css/reset/, v2.0 | 20110126).
+ *
+ */
+
+* {
+  border-box: box-sizing;
+}
+
+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;
+}

ui_framework/doc_site/src/components/guide/_guide.scss

@@ -1,7 +1,6 @@
 .guideBody {
   height: 100%;
   background-color: #000000;
-  margin: 0;
   min-width: $guideMinWidth;
 }