use borders to generate control arrows (closes #137)

7 files changed, 115 insertions, 80 deletions

diff --git a/css/reveal.css b/css/reveal.css
index ce4765f..b39ea13 100644
--- a/css/reveal.css
+++ b/css/reveal.css
@@ -316,8 +316,8 @@ body {
 .reveal .controls {
 	display: none;
 	position: fixed;
-	width: 90px;
-	height: 90px;
+	width: 110px;
+	height: 110px;
 	z-index: 30;
 	right: 10px;
 	bottom: 10px;
@@ -329,10 +329,17 @@ body {
 	width: 0; 
 	height: 0; 
 	border: 12px solid transparent;
+
+	-webkit-transition: opacity 0.2s ease;
+	   -moz-transition: opacity 0.2s ease;
+	    -ms-transition: opacity 0.2s ease;
+	     -o-transition: opacity 0.2s ease;
+	        transition: opacity 0.2s ease;
 }
 
 .reveal .controls div.enabled {
 	opacity: 0.6;
+	cursor: pointer;
 }
 
 .reveal .controls div.enabled:active {
@@ -340,28 +347,32 @@ body {
 }
 
 .reveal .controls div.left {
-	top: 30px;
+	top: 42px;
 
+	border-right-width: 22px;
 	border-right-color: #eee;
 }
 
 .reveal .controls div.right {
-	left: 60px;
-	top: 30px;
+	left: 74px;
+	top: 42px;
 
+	border-left-width: 22px;
 	border-left-color: #eee;
 }
 
 .reveal .controls div.up {
-	left: 30px;
+	left: 42px;
 
+	border-bottom-width: 22px;
 	border-bottom-color: #eee;
 }
 
 .reveal .controls div.down {
-	left: 30px;
-	top: 60px;
+	left: 42px;
+	top: 74px;
 
+	border-top-width: 22px;
 	border-top-color: #eee;
 }
 
diff --git a/css/theme/beige.css b/css/theme/beige.css
index 6d2eea9..fe0e460 100644
--- a/css/theme/beige.css
+++ b/css/theme/beige.css
@@ -110,35 +110,39 @@ body {
 /*********************************************
  * NAVIGATION CONTROLS
  *********************************************/
-.reveal .controls div.left {
-  border-right-color: #333333;
+.reveal .controls div.left,
+.reveal .controls div.left.enabled {
+  border-right-color: #8b743d;
 }
 
-.reveal .controls div.right {
-  border-left-color: #333333;
+.reveal .controls div.right,
+.reveal .controls div.right.enabled {
+  border-left-color: #8b743d;
 }
 
-.reveal .controls div.up {
-  border-bottom-color: #333333;
+.reveal .controls div.up,
+.reveal .controls div.up.enabled {
+  border-bottom-color: #8b743d;
 }
 
-.reveal .controls div.down {
-  border-top-color: #333333;
+.reveal .controls div.down,
+.reveal .controls div.down.enabled {
+  border-top-color: #8b743d;
 }
 
-.reveal .controls div.left.enabled {
+.reveal .controls div.left.enabled:hover {
   border-right-color: #c0a86e;
 }
 
-.reveal .controls div.right.enabled {
+.reveal .controls div.right.enabled:hover {
   border-left-color: #c0a86e;
 }
 
-.reveal .controls div.up.enabled {
+.reveal .controls div.up.enabled:hover {
   border-bottom-color: #c0a86e;
 }
 
-.reveal .controls div.down.enabled {
+.reveal .controls div.down.enabled:hover {
   border-top-color: #c0a86e;
 }
 
diff --git a/css/theme/default.css b/css/theme/default.css
index 0b393c2..563e4d9 100644
--- a/css/theme/default.css
+++ b/css/theme/default.css
@@ -110,35 +110,39 @@ body {
 /*********************************************
  * NAVIGATION CONTROLS
  *********************************************/
-.reveal .controls div.left {
-  border-right-color: #eeeeee;
+.reveal .controls div.left,
+.reveal .controls div.left.enabled {
+  border-right-color: #13daec;
 }
 
-.reveal .controls div.right {
-  border-left-color: #eeeeee;
+.reveal .controls div.right,
+.reveal .controls div.right.enabled {
+  border-left-color: #13daec;
 }
 
-.reveal .controls div.up {
-  border-bottom-color: #eeeeee;
+.reveal .controls div.up,
+.reveal .controls div.up.enabled {
+  border-bottom-color: #13daec;
 }
 
-.reveal .controls div.down {
-  border-top-color: #eeeeee;
+.reveal .controls div.down,
+.reveal .controls div.down.enabled {
+  border-top-color: #13daec;
 }
 
-.reveal .controls div.left.enabled {
+.reveal .controls div.left.enabled:hover {
   border-right-color: #71e9f4;
 }
 
-.reveal .controls div.right.enabled {
+.reveal .controls div.right.enabled:hover {
   border-left-color: #71e9f4;
 }
 
-.reveal .controls div.up.enabled {
+.reveal .controls div.up.enabled:hover {
   border-bottom-color: #71e9f4;
 }
 
-.reveal .controls div.down.enabled {
+.reveal .controls div.down.enabled:hover {
   border-top-color: #71e9f4;
 }
 
diff --git a/css/theme/serif.css b/css/theme/serif.css
index 55a6b3a..3957b5d 100644
--- a/css/theme/serif.css
+++ b/css/theme/serif.css
@@ -97,35 +97,39 @@ body {
 /*********************************************
  * NAVIGATION CONTROLS
  *********************************************/
-.reveal .controls div.left {
-  border-right-color: black;
+.reveal .controls div.left,
+.reveal .controls div.left.enabled {
+  border-right-color: #51483d;
 }
 
-.reveal .controls div.right {
-  border-left-color: black;
+.reveal .controls div.right,
+.reveal .controls div.right.enabled {
+  border-left-color: #51483d;
 }
 
-.reveal .controls div.up {
-  border-bottom-color: black;
+.reveal .controls div.up,
+.reveal .controls div.up.enabled {
+  border-bottom-color: #51483d;
 }
 
-.reveal .controls div.down {
-  border-top-color: black;
+.reveal .controls div.down,
+.reveal .controls div.down.enabled {
+  border-top-color: #51483d;
 }
 
-.reveal .controls div.left.enabled {
+.reveal .controls div.left.enabled:hover {
   border-right-color: #8b7c69;
 }
 
-.reveal .controls div.right.enabled {
+.reveal .controls div.right.enabled:hover {
   border-left-color: #8b7c69;
 }
 
-.reveal .controls div.up.enabled {
+.reveal .controls div.up.enabled:hover {
   border-bottom-color: #8b7c69;
 }
 
-.reveal .controls div.down.enabled {
+.reveal .controls div.down.enabled:hover {
   border-top-color: #8b7c69;
 }
 
diff --git a/css/theme/simple.css b/css/theme/simple.css
index 8fb23c4..926bbc5 100644
--- a/css/theme/simple.css
+++ b/css/theme/simple.css
@@ -99,35 +99,39 @@ body {
 /*********************************************
  * NAVIGATION CONTROLS
  *********************************************/
-.reveal .controls div.left {
-  border-right-color: black;
+.reveal .controls div.left,
+.reveal .controls div.left.enabled {
+  border-right-color: darkblue;
 }
 
-.reveal .controls div.right {
-  border-left-color: black;
+.reveal .controls div.right,
+.reveal .controls div.right.enabled {
+  border-left-color: darkblue;
 }
 
-.reveal .controls div.up {
-  border-bottom-color: black;
+.reveal .controls div.up,
+.reveal .controls div.up.enabled {
+  border-bottom-color: darkblue;
 }
 
-.reveal .controls div.down {
-  border-top-color: black;
+.reveal .controls div.down,
+.reveal .controls div.down.enabled {
+  border-top-color: darkblue;
 }
 
-.reveal .controls div.left.enabled {
+.reveal .controls div.left.enabled:hover {
   border-right-color: #0000f1;
 }
 
-.reveal .controls div.right.enabled {
+.reveal .controls div.right.enabled:hover {
   border-left-color: #0000f1;
 }
 
-.reveal .controls div.up.enabled {
+.reveal .controls div.up.enabled:hover {
   border-bottom-color: #0000f1;
 }
 
-.reveal .controls div.down.enabled {
+.reveal .controls div.down.enabled:hover {
   border-top-color: #0000f1;
 }
 
diff --git a/css/theme/sky.css b/css/theme/sky.css
index d68fc8b..6618c0d 100644
--- a/css/theme/sky.css
+++ b/css/theme/sky.css
@@ -103,35 +103,39 @@ body {
 /*********************************************
  * NAVIGATION CONTROLS
  *********************************************/
-.reveal .controls div.left {
-  border-right-color: #333333;
+.reveal .controls div.left,
+.reveal .controls div.left.enabled {
+  border-right-color: #3b759e;
 }
 
-.reveal .controls div.right {
-  border-left-color: #333333;
+.reveal .controls div.right,
+.reveal .controls div.right.enabled {
+  border-left-color: #3b759e;
 }
 
-.reveal .controls div.up {
-  border-bottom-color: #333333;
+.reveal .controls div.up,
+.reveal .controls div.up.enabled {
+  border-bottom-color: #3b759e;
 }
 
-.reveal .controls div.down {
-  border-top-color: #333333;
+.reveal .controls div.down,
+.reveal .controls div.down.enabled {
+  border-top-color: #3b759e;
 }
 
-.reveal .controls div.left.enabled {
+.reveal .controls div.left.enabled:hover {
   border-right-color: #74a7cb;
 }
 
-.reveal .controls div.right.enabled {
+.reveal .controls div.right.enabled:hover {
   border-left-color: #74a7cb;
 }
 
-.reveal .controls div.up.enabled {
+.reveal .controls div.up.enabled:hover {
   border-bottom-color: #74a7cb;
 }
 
-.reveal .controls div.down.enabled {
+.reveal .controls div.down.enabled:hover {
   border-top-color: #74a7cb;
 }
 
diff --git a/css/theme/template/theme.scss b/css/theme/template/theme.scss
index 9c22ecb..600c8e3 100644
--- a/css/theme/template/theme.scss
+++ b/css/theme/template/theme.scss
@@ -106,35 +106,39 @@ body {
  * NAVIGATION CONTROLS
  *********************************************/
 
-.reveal .controls div.left {
-	border-right-color: $mainColor;
+.reveal .controls div.left,
+.reveal .controls div.left.enabled {
+	border-right-color: $linkColor;
 }
 
-.reveal .controls div.right {
-	border-left-color: $mainColor;
+.reveal .controls div.right,
+.reveal .controls div.right.enabled {
+	border-left-color: $linkColor;
 }
 
-.reveal .controls div.up {
-	border-bottom-color: $mainColor;
+.reveal .controls div.up,
+.reveal .controls div.up.enabled {
+	border-bottom-color: $linkColor;
 }
 
-.reveal .controls div.down {
-	border-top-color: $mainColor;
+.reveal .controls div.down,
+.reveal .controls div.down.enabled {
+	border-top-color: $linkColor;
 }
 
-.reveal .controls div.left.enabled {
+.reveal .controls div.left.enabled:hover {
 	border-right-color: $linkColorHover;
 }
 
-.reveal .controls div.right.enabled {
+.reveal .controls div.right.enabled:hover {
 	border-left-color: $linkColorHover;
 }
 
-.reveal .controls div.up.enabled {
+.reveal .controls div.up.enabled:hover {
 	border-bottom-color: $linkColorHover;
 }
 
-.reveal .controls div.down.enabled {
+.reveal .controls div.down.enabled:hover {
 	border-top-color: $linkColorHover;
 }