.sm
	{
		text-shadow: 2px 2px black;
	}
body
	{
		background: #212121;
		color:white;
		font-family:arial;
	}
	
input
	{
		background:black;
		color:white;
		border:1px solid gray;
		padding: 5px;
		border-radius:3px;
	}	
	
h2
	{
		color:yellow;
	}
	
.xc
	{
		text-align:center;	
	}	
	
	
.bt
	{
		background: green;
		color: white;
		padding: 5px 10px;
		border-radius: 3px;
		font-weight: 600;
		margin: 3px;
		border:1px solid black;
		padding:10px;
	}	
	
.bt:hover	
	{
		background:red;
	}	
	
.bt:disabled
	{
		color:maroon;
		background:gray;
	}