section{
	font-size: 3vh;
}

input{
	height:3vh;
	font-size: 2vh;
}

button{
	font-size: 2vh;
	height:3vh;
	width:5vw;
}

td{	
	height:20px;
	width:20px;
	background:#808080;
	border:2px outset white;
	color:rgba(0,0,0,0);
}

td:active{
	border:2px inset white;
}

.open{
	background: #a9a9a9;
	color:rgba(0,0,0,1);
}

img{
	height:15px
}