StyleForCheckers.css

body , html{
		transition: 1s ease-in-out;
		width: 100%;
		height : 100%;
		margin : 0 0;
		padding: 0  0;
}
.square{
	float: left;
	width: 80px;
	height: 80px;
}

.white_square{
	background-color:#F0D2B4;
}
.black_square{
	background-color :#BA7A3A;
}
.clear_float{
	clear: both;
}

.table{
	position: relative;
	width: 640px;
	height: 640px;
	margin: 0 auto;
}
.score{
	background-color: #1aaaad;
	color: white;
	display: none;
	font-size: 45px;
	font-weight: 900;
	height:150px;
	border-radius: 10%;
	left: 0px;
	letter-spacing: 1px;
	margin : 0 auto;
	padding-top: 30px;
	overflow: hidden;
	position: absolute;
	right: 0px;
	text-align: center;
	top: 15%;
	width: 200px;
	z-index: 8;
	font-family: Calibri, Candara, Segoe, 'Segoe UI', Optima, Arial, sans-serif;
	 -webkit-transition: 5s ease-in-out;
	-moz-transition: 5s ease-in-out;
  -o-transition: 5s ease-in-out;
  transition: 5s ease-in-out;
}

.checker{
	top:10px;
	left:10px;
	width: 54px;
	height: 54px;
	border-radius: 50%;
	position: absolute;
	border: 4px solid white;
	cursor: pointer;	

}

.white_checker{
	background: #CC0000;
 -webkit-transition: 0.3s ease-in-out;
	-moz-transition: 0.3s ease-in-out;
  -o-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}

.black_checker{
	background: #00001F;
 -webkit-transition: 0.3s ease-in-out;
	-moz-transition: 0.3s ease-in-out;
  -o-transition: 0.3s ease-in-out;
  transition: 0.3s ease-in-out;
}

.black_background{
	position: fixed;
	width: 100%;
	height: 100%;
	background-color: black;
	opacity: 0.5;
	z-index:  7;
	display: none;
}

@media only screen and (max-width : 640px){
	.table{
		width: 400px;
		height: 400px;	
	}

	.square{
		width: 50px;
		height: 50px;
	}

	.checker{
		width: 32px;
		height: 32px;
	}
}