body {
	background-color:black;
  color: #00ff00;
	text-align:center;
}

.kvadratek {
	position:absolute;
	top:250px;
	left:100px;
	width:628px;
	height:200px;
	background-color:black;
	border-color:#00ff00;
	border-style:solid;
}

.GrnBtn{
	background-color: #00FF00;
	border-color: #00FF00;
	font-family : "Courier New", Courier, monospace;	
}

.natt {
	font-family : "Courier New", Courier, monospace;	
	
}
.natt1 {
  position:absolute;
	font-family : "Courier New", Courier, monospace;	
	left:0;
	text-align:left;
}

.subm {
	position:absolute;
	left:100px;
	top:490px;
	font-family : "Courier New", Courier, monospace;	
}

.da {
	position:absolute;
	left:100px;
	top:520px;
}

.matr {
	width: 100px;
	margin-left: auto;
	margin-right: auto;
}

.res {
	margin-left:auto;
	margin-right:auto;
	font-size:34px;
	font-family : "Courier New", Courier, monospace;  
}
.res1 {
	margin-left:auto;
	margin-right:auto;
	font-size:34px;
	font-family : "Courier New", Courier, monospace;  
}

.matrix { 
	font-family : "Courier New", Courier, monospace;  
	font-size:24pt; 
  width:300px; 
	padding:0px; 
	margin:0px;
}