diff --git a/css/slick.css b/css/slick.css
index ef25141..8c160e0 100755
--- a/css/slick.css
+++ b/css/slick.css
@@ -75,6 +75,9 @@
   .slick-slide.dragging img {
     pointer-events: none; }
   .slick-initialized .slick-slide {
+    filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix  type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 3.5+ */
+  filter: gray; /* IE6-9 */
+  -webkit-filter: grayscale(100%); /* Chrome 19+ & Safari 6+ */
     display: block; }
   .slick-loading .slick-slide {
     visibility: hidden; }