.img_controller {
	opacity: 100%;
		-webkit-opacity: 1;
	-moz-opacity: 1;
	filter:alpha(opacity=100);
	transition: all 1s ease-out; 
    -webkit-transition: all 1s ease-out;
    -moz-transition: all 1s ease-out;
    -o-transition: all 1s ease-out;
 	visibility: visible;
}
.img_controller:hover {
	opacity: 0%;
	-webkit-opacity: 0;
	-moz-opacity: 0;
	filter:alpha(opacity=0);
	transition: all 1s ease-out; 
    -webkit-transition: all 1s ease-out;
    -moz-transition: all 1s ease-out;
    -o-transition: all 1s ease-out;
	visibility: visible;
}