ninja-ua

.button
	display: inline-block
	border: none
	color: #fff
	text-decoration: none
	background-color: $accent
	padding: 15px 45px
	font-size: 13px
	text-transform: uppercase
	font-weight: 600

ninja-ua

.ys-filter {
    filter: grayscale(100%);
    transition: all 2s ease-out 1s;
}
.ys-filter:hover {
    filter: grayscale(0%);
    transition: all .1s ease-out 0.2s;
}