Cross Browser Grayscale

img { -webkit-filter: grayscale(1); -webkit-filter: grayscale(100%); -moz-filter: grayscale(100%); -ms-filter: grayscale(100%); -o-filter: grayscale(100%); 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"); filter: grayscale(100%); -webkit-transition: all .6s ease; /* Fade to color for Chrome and Safari */ -webkit-backface-visibility: hidden; /* Fix for transition flickering */ } img:hover { -webkit-filter: grayscale(0); -webkit-filter: grayscale(0); -moz-filter: grayscale(0); -ms-filter: grayscale(0); -o-filter: grayscale(0); filter: grayscale(0); }