.button.blacksilver {
	background-color: #000000;
	color: #ffffff;
}
.button.blacksilver:hover, .button.blacksilver:focus {
	background-color: #cococo;
	color: #ffffff;
}

.button.silverblack {
	background-color: #c0c0c0;
	color: #ffffff;
}
.button.silverblack:hover, .button.silverblack:focus {
	background-color: #000000;
	color: #ffffff;
}