.grayscale {
	filter: gray; 
	-webkit-filter: grayscale(100%); 
	-webkit-transition: all .6s ease;
    -moz-transition: all .6s ease;
    -o-transition: all .6s ease;
    transition: all .6s ease;
	-webkit-backface-visibility: hidden; 
	cursor:pointer
}

/*
.grayscale:hover {
	filter: none; 
	-webkit-filter: grayscale(0);
}
*/

.opacidade{-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=60)";
	filter: alpha(opacity=60);
	-moz-opacity:0.6;
	-khtml-opacity: 0.6;
	opacity: 0.6;
}

.opacidade:hover{-ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
	filter: alpha(opacity=100);
	-moz-opacity:1.0;
	-khtml-opacity: 1.0;
	opacity: 1.0;
}

.grayscale2 {
	filter: gray; 
	-webkit-filter: grayscale(100%); 
	-webkit-transition: all .6s ease;
    -moz-transition: all .6s ease;
    -o-transition: all .6s ease;
    transition: all .6s ease;
	-webkit-backface-visibility: hidden; 
}

.grayscaleOK {
	filter: none; 
	-webkit-filter: grayscale(0);
}