add night theme

css/theme/source/night.scss

@@ -0,0 +1,35 @@
+/**
+ * Black theme for reveal.js.
+ * 
+ * Copyright (C) 2011-2012 Hakim El Hattab, http://hakim.se
+ */
+
+
+// Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+
+// Include theme-specific fonts
+@import url(http://fonts.googleapis.com/css?family=Montserrat:700);
+@import url(http://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic,700italic);
+
+
+// Override theme settings (see ../template/settings.scss)
+$backgroundColor: #111;
+
+$mainFont: 'Open Sans', Times, 'Times New Roman', serif;
+$linkColor: #e7ad52;
+$linkColorHover: lighten( $linkColor, 20% );
+$headingFont: 'Montserrat', Impact, sans-serif;
+$headingTextShadow: none;
+$headingLetterSpacing: -0.03em;
+$headingTextTransform: none;
+$selectionBackgroundColor: #e7ad52;
+$mainFontSize: 30px;
+
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------