.kbkey {
	background-color: #eee;
	color: #000;
}
.kbkey:hover {
	color: #080;
}
.kbkey.active {
	background-color: #dfd;
}

.action {
	background-color: #eee;
	color: #000;
}
.action:hover {
	color: #080;
}
.action.active {
	background-color: #dfd;
}

#btn-empty {
	width: 32px;
	height: 32px;
}