-background to -bg on pagination vars

less/pagination.less

@@ -15,7 +15,7 @@
   padding: 4px 12px;
   line-height: @line-height-base;
   text-decoration: none;
-  background-color: @pagination-background;
+  background-color: @pagination-bg;
   border: 1px solid @pagination-border;
   border-left-width: 0;
 }
@@ -23,7 +23,7 @@
 .pagination > li > a:focus,
 .pagination > .active > a,
 .pagination > .active > span {
-  background-color: @pagination-background-active;
+  background-color: @pagination-bg-active;
 }
 .pagination > .active > a,
 .pagination > .active > span {
@@ -35,7 +35,7 @@
 .pagination > .disabled > a:hover,
 .pagination > .disabled > a:focus {
   color: @grayLight;
-  background-color: @pagination-background;
+  background-color: @pagination-bg;
   cursor: default;
 }
 .pagination > li:first-child > a,

less/variables.less

@@ -222,8 +222,8 @@
 // Pagination
 // -------------------------
 
-@pagination-background:                #fff;
-@pagination-background-active:         #f5f5f5;
+@pagination-bg:                        #fff;
+@pagination-bg-active:                 #f5f5f5;
 @pagination-border:                    #ddd;