diff --git a/css/slick.css b/css/slick.css
index 1d8a510..b1dde2c 100755
--- a/css/slick.css
+++ b/css/slick.css
@@ -1,5 +1,8 @@
 /* Slider */
 .slick-slider {
+  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+ */
   position: relative;
   display: block;
   box-sizing: border-box;