img {
filter: url("data:image/svg+xml;utf8,#grayscale"); /* Firefox 10+, Firefox on Android */
-webkit-filter: grayscale(100%);
-moz-filter: grayscale(100%);
-ms-filter: grayscale(100%);
filter: grayscale(100%);
filter: gray; /* IE 6-9 */
}
img:hover {
-webkit-filter: none;
-moz-filter: none;
-ms-filter: none;
filter: none;
}
Cross-browser-kompatibel ner till IE6.
