add theme 'blood.'

css/theme/blood.css

+@import url(https://fonts.googleapis.com/css?family=Ubuntu:300,700,300italic,700italic);
+/**
+ * Blood theme for reveal.js
+ * Author: Walther http://github.com/Walther
+ *
+ * Designed to be used with highlight.js theme
+ * "monokai_sublime.css" available from
+ * https://github.com/isagalaev/highlight.js/
+ *
+ * For other themes, change $codeBackground accordingly.
+ *
+ */
+/*********************************************
+ * GLOBAL STYLES
+ *********************************************/
+body {
+  background: #222222;
+  background: -moz-radial-gradient(center, circle cover, #626262 0%, #222222 100%);
+  background: -webkit-gradient(radial, center center, 0px, center center, 100%, color-stop(0%, #626262), color-stop(100%, #222222));
+  background: -webkit-radial-gradient(center, circle cover, #626262 0%, #222222 100%);
+  background: -o-radial-gradient(center, circle cover, #626262 0%, #222222 100%);
+  background: -ms-radial-gradient(center, circle cover, #626262 0%, #222222 100%);
+  background: radial-gradient(center, circle cover, #626262 0%, #222222 100%);
+  background-color: #2b2b2b; }
+
+.reveal {
+  font-family: Ubuntu, "sans-serif";
+  font-size: 36px;
+  font-weight: 200;
+  letter-spacing: -0.02em;
+  color: #eeeeee; }
+
+::selection {
+  color: white;
+  background: #aa2233;
+  text-shadow: none; }
+
+/*********************************************
+ * HEADERS
+ *********************************************/
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+  margin: 0 0 20px 0;
+  color: #eeeeee;
+  font-family: Ubuntu, "sans-serif";
+  line-height: 0.9em;
+  letter-spacing: 0.02em;
+  text-transform: uppercase;
+  text-shadow: 2px 2px 2px #222222; }
+
+.reveal h1 {
+  text-shadow: 0 1px 0 #cccccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbbbbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaaaaa, 0 6px 1px rgba(0, 0, 0, 0.1), 0 0 5px rgba(0, 0, 0, 0.1), 0 1px 3px rgba(0, 0, 0, 0.3), 0 3px 5px rgba(0, 0, 0, 0.2), 0 5px 10px rgba(0, 0, 0, 0.25), 0 20px 20px rgba(0, 0, 0, 0.15); }
+
+/*********************************************
+ * LINKS
+ *********************************************/
+.reveal a:not(.image) {
+  color: #aa2233;
+  text-decoration: none;
+  -webkit-transition: color .15s ease;
+  -moz-transition: color .15s ease;
+  -ms-transition: color .15s ease;
+  -o-transition: color .15s ease;
+  transition: color .15s ease; }
+
+.reveal a:not(.image):hover {
+  color: #dd5566;
+  text-shadow: none;
+  border: none; }
+
+.reveal .roll span:after {
+  color: #fff;
+  background: #6a1520; }
+
+/*********************************************
+ * IMAGES
+ *********************************************/
+.reveal section img {
+  margin: 15px 0px;
+  background: rgba(255, 255, 255, 0.12);
+  border: 4px solid #eeeeee;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
+  -webkit-transition: all .2s linear;
+  -moz-transition: all .2s linear;
+  -ms-transition: all .2s linear;
+  -o-transition: all .2s linear;
+  transition: all .2s linear; }
+
+.reveal a:hover img {
+  background: rgba(255, 255, 255, 0.2);
+  border-color: #aa2233;
+  box-shadow: 0 0 20px rgba(0, 0, 0, 0.55); }
+
+/*********************************************
+ * NAVIGATION CONTROLS
+ *********************************************/
+.reveal .controls div.navigate-left,
+.reveal .controls div.navigate-left.enabled {
+  border-right-color: #aa2233; }
+
+.reveal .controls div.navigate-right,
+.reveal .controls div.navigate-right.enabled {
+  border-left-color: #aa2233; }
+
+.reveal .controls div.navigate-up,
+.reveal .controls div.navigate-up.enabled {
+  border-bottom-color: #aa2233; }
+
+.reveal .controls div.navigate-down,
+.reveal .controls div.navigate-down.enabled {
+  border-top-color: #aa2233; }
+
+.reveal .controls div.navigate-left.enabled:hover {
+  border-right-color: #dd5566; }
+
+.reveal .controls div.navigate-right.enabled:hover {
+  border-left-color: #dd5566; }
+
+.reveal .controls div.navigate-up.enabled:hover {
+  border-bottom-color: #dd5566; }
+
+.reveal .controls div.navigate-down.enabled:hover {
+  border-top-color: #dd5566; }
+
+/*********************************************
+ * PROGRESS BAR
+ *********************************************/
+.reveal .progress {
+  background: rgba(0, 0, 0, 0.2); }
+
+.reveal .progress span {
+  background: #aa2233;
+  -webkit-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -moz-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -ms-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  -o-transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985);
+  transition: width 800ms cubic-bezier(0.26, 0.86, 0.44, 0.985); }
+
+.reveal p {
+  font-weight: 300;
+  text-shadow: 1px 1px #222222; }
+
+.reveal h1,
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+  font-weight: 700; }
+
+.reveal a:not(.image),
+.reveal a:not(.image):hover {
+  text-shadow: 2px 2px 2px #000; }
+
+.reveal small a:not(.image),
+.reveal small a:not(.image):hover {
+  text-shadow: 1px 1px 1px #000; }
+
+.reveal p code {
+  background-color: #23241f;
+  display: inline-block;
+  border-radius: 7px; }
+
+.reveal small code {
+  vertical-align: baseline; }

css/theme/source/blood.scss

+/**
+ * Blood theme for reveal.js
+ * Author: Walther http://github.com/Walther
+ *
+ * Designed to be used with highlight.js theme
+ * "monokai_sublime.css" available from
+ * https://github.com/isagalaev/highlight.js/
+ *
+ * For other themes, change $codeBackground accordingly.
+ *
+ */
+
+ // Default mixins and settings -----------------
+@import "../template/mixins";
+@import "../template/settings";
+// ---------------------------------------------
+
+// Include theme-specific fonts
+
+@import url(https://fonts.googleapis.com/css?family=Ubuntu:300,700,300italic,700italic);
+
+// Colors used in the theme
+$blood: #a23;
+$coal: #222;
+$codeBackground: #23241f;
+
+// Main text
+$mainFont: Ubuntu, 'sans-serif';
+$mainFontSize: 36px;
+$mainColor: #eee;
+
+// Headings
+$headingFont: Ubuntu, 'sans-serif';
+$headingTextShadow: 2px 2px 2px $coal;
+
+// h1 shadow, borrowed humbly from 
+// (c) Default theme by Hakim El Hattab
+$heading1TextShadow: 0 1px 0 #ccc, 0 2px 0 #c9c9c9, 0 3px 0 #bbb, 0 4px 0 #b9b9b9, 0 5px 0 #aaa, 0 6px 1px rgba(0,0,0,.1), 0 0 5px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.3), 0 3px 5px rgba(0,0,0,.2), 0 5px 10px rgba(0,0,0,.25), 0 20px 20px rgba(0,0,0,.15);
+
+// Links
+$linkColor: $blood;
+$linkColorHover: lighten( $linkColor, 20% );
+
+// Text selection
+$selectionBackgroundColor: $blood;
+$selectionColor: #fff;
+
+// Background generator
+@mixin bodyBackground() {
+    @include radial-gradient( $coal, lighten( $coal, 25% ) );
+}
+
+// Theme template ------------------------------
+@import "../template/theme";
+// ---------------------------------------------
+
+// some overrides after theme template import
+
+.reveal p {
+    font-weight: 300;
+    text-shadow: 1px 1px $coal;
+}
+
+.reveal h1, 
+.reveal h2,
+.reveal h3,
+.reveal h4,
+.reveal h5,
+.reveal h6 {
+    font-weight: 700;
+}
+
+.reveal a:not(.image),
+.reveal a:not(.image):hover {
+    text-shadow: 2px 2px 2px #000;
+}
+
+.reveal small a:not(.image),
+.reveal small a:not(.image):hover {
+    text-shadow: 1px 1px 1px #000;
+}
+
+.reveal p code {
+    background-color: $codeBackground;
+    display: inline-block;
+    border-radius: 7px;
+}
+
+.reveal small code {
+    vertical-align: baseline;
+}
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