ease-in-out slide transition

bootstrap.css

@@ -6,7 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
- * Date: Mon Jan  2 22:30:09 PST 2012
+ * Date: Mon Jan  2 22:33:44 PST 2012
  */
 html, body {
   margin: 0;
@@ -2595,11 +2595,11 @@ a.thumbnail:hover {
 .carousel .item {
   display: none;
   position: relative;
-  -webkit-transition: 0.25s linear left;
-  -moz-transition: 0.25s linear left;
-  -ms-transition: 0.25s linear left;
-  -o-transition: 0.25s linear left;
-  transition: 0.25s linear left;
+  -webkit-transition: 0.6s ease-in-out left;
+  -moz-transition: 0.6s ease-in-out left;
+  -ms-transition: 0.6s ease-in-out left;
+  -o-transition: 0.6s ease-in-out left;
+  transition: 0.6s ease-in-out left;
 }
 .carousel .active, .carousel .next, .carousel .prev {
   display: block;

bootstrap.min.css

@@ -343,7 +343,7 @@ a.thumbnail:hover{border-color:#0069d6;-webkit-box-shadow:0 1px 4px rgba(0, 105,
 .thumbnail>img{display:block;max-width:100%;}
 .thumbnail .caption{padding:9px;}
 .carousel{position:relative;}.carousel .carousel-inner{overflow:hidden;width:100%;position:relative;}
-.carousel .item{display:none;position:relative;-webkit-transition:0.25s linear left;-moz-transition:0.25s linear left;-ms-transition:0.25s linear left;-o-transition:0.25s linear left;transition:0.25s linear left;}
+.carousel .item{display:none;position:relative;-webkit-transition:0.6s ease-in-out left;-moz-transition:0.6s ease-in-out left;-ms-transition:0.6s ease-in-out left;-o-transition:0.6s ease-in-out left;transition:0.6s ease-in-out left;}
 .carousel .active,.carousel .next,.carousel .prev{display:block;}
 .carousel .next,.carousel .prev{position:absolute;top:0;width:100%;}
 .carousel .next{left:100%;}

lib/thumbnails.less

@@ -46,7 +46,7 @@ a.thumbnail:hover {
   .item {
     display: none;
     position: relative;
-    .transition(.25s linear left);
+    .transition(.6s ease-in-out left);
   }
 
   .active, .next, .prev { display: block; }