body {
	background: black;
}

* {
	color: limegreen;
}

.centered {
	/*https://stackoverflow.com/questions/356809/best-way-to-center-a-div-on-a-page-vertically-and-horizontally*/
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	
	margin: auto;
	height: 50%;
	width: 50%;
	border: 1px solid limegreen;

	/*https://stackoverflow.com/questions/5703552/how-can-i-center-text-horizontally-and-vertically-inside-a-div-block*/
	display: flex;
	justify-content: center;
	align-items: center;

	text-align: center;

	overflow: hidden;
}

/*h1 {
	color: limegreen;
}*/

.button {
	width: 50%;
	margin: 5px;
	border-width: 0px;

	transition: 0.3s;
}

.button:hover {
	color: purple;
	background: limegreen;
	cursor: pointer;
}

/***********************************************************/

.column {
	/*float: left;*/
	/*background-color: ;*/
	width: 30%;
	padding: 10px;
	margin: 5px;
	display: inline-block;
	text-align: center;
}

.row {
	/* "Clearfix Hack" (used in conjunction with float:left)
	content: "";
	clear: both;
	display: table;
	*/
	/* Centers .column divs*/
	text-align: center;
}

/* Center table */
table {
	margin: 0 auto;
}

th, td {
	border-color: limegreen;
}
tr {
	background-color: white;
}
tr:hover {background-color: #D6EEEE;}
/***********************************************************/

#GameInterface {
	text-align:right;
}

/***********************************************************/

#GameInterface2 {
	text-align:center;
}

/* "text button" */
[id^="tbu"] {
    border:1px solid limegreen;
    margin:0;
    padding:0;
    width:20px;
    cursor: pointer;
	background: darkslategray;
}
[id^="tbu"]:hover {
	color:black;
	background: limegreen;
}
/***********************************************************/

.footer {
   position: fixed;
   left: 0;
   bottom: 0;
   width: 100%;
   color: #424242;
   text-align: center;
}