.flickr-widget a {
    float: left;
    height: 60px;
    margin-bottom: 4px;
    margin-right: 4px;
    transition: all 200ms ease-in-out 0s;
    width: 60px;
}
.flickr-widget img {
    display: block;
    width: 100%;
    height:auto;
    border-radius: 3px;
    display: block;
    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");
    opacity: 0.7;
    -webkit-filter: grayscale(100%);
  -webkit-transition: all .6s ease;
  -webkit-backface-visibility: hidden;
    
}
.flickr-widget a:hover img {
	opacity: 1;
	filter: none;
	-webkit-filter: grayscale(0%);
}