/* Efeitos que poderão ser utilizados de forma isolada */
					/* rápida */
.u-transition-ease,
.u-transition-ease:hover,
.u-transition-ease:focus,
.u-transition-ease *,
.u-transition-ease *:hover,
.u-transition-ease *:focus {
	transition:0.3s ease;
	-moz-transition:0.3s ease;
	-webkit-transition:0.3s ease;
	-o-transition:0.3s ease;
	-ms-transition:0.3s ease;
}
					/* lenta */
.u-transition-ease-slow,
.u-transition-ease-slow:hover,
.u-transition-ease-slow:focus,
.u-transition-ease-slow *,
.u-transition-ease-slow *:hover,
.u-transition-ease-slow *:focus {
	transition:0.5s ease;
	-moz-transition:0.5s ease;
	-webkit-transition:0.5s ease;
	-o-transition:0.5s ease;
	-ms-transition:0.5s ease;
}
					/* escala de cinza */
.u-grayscale,
.u-grayscale * {
	-webkit-filter:grayscale(100%);
	-moz-filter:grayscale(100%);
	-ms-filter:grayscale(100%);
	-o-filter:grayscale(100%);
	filter:grayscale(100%);
}