.button_black{
	
	color: #fff;
	background-color: #000;
	
	&:hover, &:focus{
		border-color: #000;
		background-color: #eee;
		color: #000;
	}
	
	&:active{
		top: 1px;
		outline: none;
		box-shadow: 0px 2px 8px 2px #939090 inset;
	}	
}