body {
	background-color: gray;
}

#board{
	border: 2px solid black;
	border-radius: 50%;
	background-color: #222;
	width: 403px;
	height:	400px;
	margin: 20px auto;
}


#btns div {
	border: 2px solid black;
	width: 200px;
	height: 200px;
	position: absolute;
	cursor: pointer;
}

.B1 {
	/*transform: matrix(.95, 0, 0, .95, 2, 2);*/
  background-color: #00AA00 !important;
}

.B2 {
  /*transform: matrix(.95, 0, 0, .95, -2, 2);*/
  background-color: #AA0000 !important;
}

.B3 {
	/*transform: matrix(.95, 0, 0, .95, 2, -2);*/
  background-color: #AAAA00 !important;
}

.B4 {
	/*transform: matrix(.95, 0, 0, .95, -2, -2);*/
  background-color: #0000AA !important;
}

#B1 {
	background-color: green;
	border-top-left-radius: 100%;
}

#B2 {

	left: 50%;
	background-color: red;
	border-top-right-radius: 100%;
}

#B3 {
	background-color: yellow;
	border-bottom-left-radius: 100%;
	top: 280px;
}

#B4 {

	left: 50%;
	top: 280px;
	background-color: blue;
	border-bottom-right-radius: 100%;
}

#console {
	border: 4px solid black;
	width: 200px;
	height: 200px;
	border-radius: 100%;
	background-color: black;
	position: absolute;
	left: 50%;
	margin-left: -100px;
	top: 180px;
	z-index: 1;
	color: white;
}

#console > .row {
	margin-top: 75px;
	margin-bottom: 20px;
}

#counter	{
	font-size: 30px;
}

#start > div, #strict > div {
	width: 30px;
	height: 30px;
	border-radius: 100%;
	background-color: white;
	margin-left: auto;
	margin-right: auto;
	cursor: pointer;
}

#start > div:active, #strict > div:active {
	transform: translateY(2px);
	background-color: black;
}

.switch {
	position: relative;
	display: inline-block;
	width: 40px;
	height: 17px;
}

.switch input {
	display: none;
}

.slider {
	position: absolute;
	cursor: pointer;
	top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 13px;
  width: 13px;
  left: 2px;
  bottom: 2px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}

input:checked + .slider {
  background-color: #991f00;
}

input:focus + .slider {
  box-shadow: 0 0 1px #991f00;
}

input:checked + .slider:before {
  -webkit-transform: translateX(23px);
  -ms-transform: translateX(23px);
  transform: translateX(23px);
}

/* Rounded sliders */
.slider.round {
  border-radius: 17px;
}

.slider.round:before {
  border-radius: 50%;
}