.tipke {color: white;
	text-align: center;
	background: gray;
	text-decoration: none }
.tipke a:link {color: white;
	text-align: center;
	background: blue;
	padding: 5px;
	display: block;
	text-decoration: none }
.tipke a:visited {color: white;
	text-align: center;
	background: purple;
	padding: 5px;
	display: block;
	text-decoration: none }
.tipke a:hover {color: blue;
	text-align: center;
	background: yellow;
	padding: 5px;
	display: block;
	text-decoration: none }
.tipke a:active {color: white;
	text-align: center;
	background: green;
	padding: 5px;
	display: block;
	text-decoration: none }