* {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
	background: black;
	text-align: center;
}

div {
			margin: 0px auto;
			color: white; 
			font-size: 25px;
			width: 640px;
			/*border: 2px solid red;
			*/
		}

h1	{
			color: yellow;
			margin-bottom: 5px;
			margin-top: 10px;
		}

h3 {
		color: yellow;
		margin-top: 10px;
}

img {
	margin-left: 5px;
	margin-right: 5px;
	width: 190px;
	height: 200px;
}

a {
	text-decoration: none;
	margin-bottom: 5px;
}

.okno	{
	border: 1px solid yellowgreen;
	tab-size: 15px;
	width: 200px;
	height: 243px;
	font-size: 15px;
}

.okno:hover{
	border: 1px solid red;
}

.okno p {
	color: yellow;
}

.tlacitko {
	float: left;
	margin-left: 5px;
}

.clearfix:after{
	content: "";
	display: table;
	clear: both;
}