btnstyle.css

a {
	-webkit-transition: all 200ms cubic-bezier(0.390, 0.500, 0.150, 1.360);
	-moz-transition: all 200ms cubic-bezier(0.390, 0.500, 0.150, 1.360);
	-ms-transition: all 200ms cubic-bezier(0.390, 0.500, 0.150, 1.360);
	-o-transition: all 200ms cubic-bezier(0.390, 0.500, 0.150, 1.360);
	transition: all 200ms cubic-bezier(0.390, 0.500, 0.150, 1.360);
	display: block;
	margin: 20px auto;
	max-width: 180px;
	text-decoration: none;
	border-radius: 4px;
	padding: 20px 30px;
}

a.button {
	color: rgba(30, 22, 54, 0.6);
	box-shadow: rgba(30, 22, 54, 0.4) 0 0px 0px 2px inset;
}

a.button:hover {
	color: rgba(255, 255, 255, 0.85);
	box-shadow: rgba(30, 22, 54, 0.7) 0 0px 0px 40px inset;
}

a.button2 {
	color: rgba(30, 22, 54, 0.6);
	box-shadow: rgba(30, 22, 54, 0.4) 0 0px 0px 2px inset;
}

a.button2:hover {
	color: rgba(255, 255, 255, 0.85);
	box-shadow: rgba(30, 22, 54, 0.7) 0 80px 0px 2px inset;
}