body {
   background-color: black;
   color:white;
}

.center {
	background-color: LightGreen;
    margin: auto;
    width: 50%;
    border: 3px solid #73AD21;
    padding: 10px;
	color:black;
}

table, th, td {
    border: 1px solid black;
    border-collapse: collapse;
	border-color: white;
}

#sq{
	text-align:center;
}

td{
	width: 25%;
}

button{
	border-radius: 8px;
	text-align:center;
}

h2{
	color: Maroon;
}