consistent use of tabs rather than spaces in css (closes #121)

css/main.css

@@ -319,78 +319,78 @@ body {
  *********************************************/
 
 .reveal .roll {
-    display: inline-block;
-    line-height: 1.2;
-    overflow: hidden;
+	display: inline-block;
+	line-height: 1.2;
+	overflow: hidden;
 
-    vertical-align: top;
+	vertical-align: top;
 
-    -webkit-perspective: 400px;
-       -moz-perspective: 400px;
-        -ms-perspective: 400px;
-            perspective: 400px;
+	-webkit-perspective: 400px;
+	   -moz-perspective: 400px;
+	    -ms-perspective: 400px;
+	        perspective: 400px;
 
-    -webkit-perspective-origin: 50% 50%;
-       -moz-perspective-origin: 50% 50%;
-        -ms-perspective-origin: 50% 50%;
-            perspective-origin: 50% 50%;
+	-webkit-perspective-origin: 50% 50%;
+	   -moz-perspective-origin: 50% 50%;
+	    -ms-perspective-origin: 50% 50%;
+	        perspective-origin: 50% 50%;
 }
 	.reveal .roll:hover {
 		background: none;
 		text-shadow: none;
 	}
 .reveal .roll span {
-    display: block;
-    position: relative;
-    padding: 0 2px;
+	display: block;
+	position: relative;
+	padding: 0 2px;
 
 	pointer-events: none;
 
-    -webkit-transition: all 400ms ease;
-       -moz-transition: all 400ms ease;
-        -ms-transition: all 400ms ease;
-            transition: all 400ms ease;
-    
-    -webkit-transform-origin: 50% 0%;
-       -moz-transform-origin: 50% 0%;
-        -ms-transform-origin: 50% 0%;
-            transform-origin: 50% 0%;
-    
-    -webkit-transform-style: preserve-3d;
-       -moz-transform-style: preserve-3d;
-        -ms-transform-style: preserve-3d;
-            transform-style: preserve-3d;
-
-    -webkit-backface-visibility: hidden;
-       -moz-backface-visibility: hidden;
-            backface-visibility: hidden;
-}
-    .reveal .roll:hover span {
-        background: rgba(0,0,0,0.5);
-
-        -webkit-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
-           -moz-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
-            -ms-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
-                transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
-    }
+	-webkit-transition: all 400ms ease;
+	   -moz-transition: all 400ms ease;
+	    -ms-transition: all 400ms ease;
+	        transition: all 400ms ease;
+
+	-webkit-transform-origin: 50% 0%;
+	   -moz-transform-origin: 50% 0%;
+	    -ms-transform-origin: 50% 0%;
+	        transform-origin: 50% 0%;
+
+	-webkit-transform-style: preserve-3d;
+	   -moz-transform-style: preserve-3d;
+	    -ms-transform-style: preserve-3d;
+	        transform-style: preserve-3d;
+
+	-webkit-backface-visibility: hidden;
+	   -moz-backface-visibility: hidden;
+	        backface-visibility: hidden;
+}
+	.reveal .roll:hover span {
+	    background: rgba(0,0,0,0.5);
+
+	    -webkit-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
+	       -moz-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
+	        -ms-transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
+	            transform: translate3d( 0px, 0px, -45px ) rotateX( 90deg );
+	}
 .reveal .roll span:after {
-    content: attr(data-title);
+	content: attr(data-title);
 
-    display: block;
-    position: absolute;
-    left: 0;
-    top: 0;
-    padding: 0 2px;
+	display: block;
+	position: absolute;
+	left: 0;
+	top: 0;
+	padding: 0 2px;
 
-    -webkit-transform-origin: 50% 0%;
-       -moz-transform-origin: 50% 0%;
-        -ms-transform-origin: 50% 0%;
-            transform-origin: 50% 0%;
+	-webkit-transform-origin: 50% 0%;
+	   -moz-transform-origin: 50% 0%;
+	    -ms-transform-origin: 50% 0%;
+	        transform-origin: 50% 0%;
 
-    -webkit-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
-       -moz-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
-        -ms-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
-            transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
+	-webkit-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
+	   -moz-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
+	    -ms-transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
+	        transform: translate3d( 0px, 110%, 0px ) rotateX( -90deg );
 }
 
 
@@ -422,10 +422,10 @@ body {
 	    -ms-perspective: 600px;
 	        perspective: 600px;
 
- 	-webkit-perspective-origin: 0% 25%;
- 	   -moz-perspective-origin: 0% 25%;
- 	    -ms-perspective-origin: 0% 25%;
- 	        perspective-origin: 0% 25%;
+	-webkit-perspective-origin: 0% 25%;
+	   -moz-perspective-origin: 0% 25%;
+	    -ms-perspective-origin: 0% 25%;
+	        perspective-origin: 0% 25%;
 }
 
 .reveal .slides>section,
@@ -435,7 +435,7 @@ body {
 	width: 100%;
 	min-height: 600px;
 
-    z-index: 10;
+	z-index: 10;
 	
 	-webkit-transform-style: preserve-3d;
 	   -moz-transform-style: preserve-3d;
@@ -576,9 +576,9 @@ body {
 	margin-top: -350px;
 
 	-webkit-perspective-origin: 50% 25%;
- 	   -moz-perspective-origin: 50% 25%;
- 	    -ms-perspective-origin: 50% 25%;
- 	        perspective-origin: 50% 25%;
+	   -moz-perspective-origin: 50% 25%;
+	    -ms-perspective-origin: 50% 25%;
+	        perspective-origin: 50% 25%;
 
 	-webkit-perspective: 1300px;
 	   -moz-perspective: 1300px;
@@ -825,7 +825,7 @@ body {
 	background: rgba(0,0,0,0.1);
 }
 .reveal.overview .slides section .fragment {
-    opacity: 1;
+	opacity: 1;
 }
 .reveal.overview .slides section:after,
 .reveal.overview .slides section:before {

css/theme/beige.css

@@ -43,15 +43,15 @@ body {
 }
 
 ::-moz-selection {
-    background:rgba(79, 64, 28, 0.99);
+	background:rgba(79, 64, 28, 0.99);
 	color: white; 
 }
 ::-webkit-selection {
-    background:rgba(79, 64, 28, 0.99);
+	background:rgba(79, 64, 28, 0.99);
 	color: white; 
 }
 ::selection {
-    background:rgba(79, 64, 28, 0.99);
+	background:rgba(79, 64, 28, 0.99);
 	color: white; 
 }