fixes #4295: add vars for pagination

docs/assets/css/bootstrap.css

@@ -4545,7 +4545,8 @@ input[type="submit"].btn.btn-mini {
   padding: 0 14px;
   line-height: 38px;
   text-decoration: none;
-  border: 1px solid #ddd;
+  background-color: #ffffff;
+  border: 1px solid #dddddd;
   border-left-width: 0;
 }
 

less/pagination.less

@@ -24,7 +24,8 @@
   padding: 0 14px;
   line-height: (@baseLineHeight * 2) - 2;
   text-decoration: none;
-  border: 1px solid #ddd;
+  background-color: @paginationBackground;
+  border: 1px solid @paginationBorder;
   border-left-width: 0;
 }
 .pagination a:hover,

less/variables.less

@@ -194,6 +194,12 @@
 @navbarInverseBrandColor:                @navbarInverseLinkColor;
 
 
+// Pagination
+// -------------------------
+@paginationBackground:                #fff;
+@paginationBorder:                    #ddd;
+@paginationActiveBackground:          #f5f5f5;
+
 
 // Hero unit
 // -------------------------