Move inline properties to variables.less

moved buttons.less, carousel.less & close.less in this commit

less/carousel.less

@@ -72,9 +72,9 @@
   width: 15%;
   .opacity(.5);
   font-size: 20px;
-  color: #fff;
+  color: @carousel-control-color;
   text-align: center;
-  text-shadow: 0 1px 2px rgba(0,0,0,.6);
+  text-shadow: @carousel-control-text-shadow;
   // We can't have this transition here because webkit cancels the carousel
   // animation if you trip this while in the middle of another animation.
 
@@ -93,7 +93,7 @@
   // Hover/focus state
   &:hover,
   &:focus {
-    color: #fff;
+    color: @carousel-control-hover-color;
     text-decoration: none;
     .opacity(.9);
   }
@@ -144,7 +144,7 @@
     height: 10px;
     margin: 1px;
     text-indent: -999px;
-    border: 1px solid #fff;
+    border: 1px solid @carousel-indicators-li-border-color;
     border-radius: 10px;
     cursor: pointer;
   }
@@ -152,7 +152,7 @@
     margin: 0;
     width:  12px;
     height: 12px;
-    background-color: #fff;
+    background-color: @carousel-indicators-active-bg;
   }
 }
 
@@ -167,9 +167,9 @@
   z-index: 10;
   padding-top: 20px;
   padding-bottom: 20px;
-  color: #fff;
+  color: @carousel-caption-color;
   text-align: center;
-  text-shadow: 0 1px 2px rgba(0,0,0,.6);
+  text-shadow: @carousel-caption-text-shadow;
   & .btn {
     text-shadow: none; // No shadow for button elements in carousel-caption
   }