#sbi_images .sbi_item { filter: url("data:image/svg+xml;utf8,#grayscale"); /* Firefox 10+, Firefox on Android */ filter: gray; /* IE6-9 */ -webkit-filter: grayscale(100%); -webkit-transition: all .6s ease; -webkit-backface-visibility: hidden; } #sb_instagram .sbi_item:hover { filter: none; filter: none; -webkit-filter: grayscale(0%); }