artnightstyle
Hi
Try this code in custom css
.acm-features.style-1 .features-item{
-webkit-filter: grayscale(100%); /* Safari 6.0 - 9.0 */
filter: grayscale(100%);}
.acm-features.style-1 .features-item:hover {webkit-filter: grayscale(0%);
filter: grayscale(0%);}
