body{
  text-align:center;

}

h1{
  position: relative;
  left: -8%;

}


.overlay{
  display: inline-block;
  padding: 20px 20px;
  vertical-align: middle;
}


#start {
	width: 80px;
	height: 80px;
	background-color: "white";
	border: none;
	//color: "blue";
	padding: 20px;
	text-align: center;
	text-decoration: none;
	display: inline-block;
	font-size: 16px;
	margin: 0 auto;
	cursor: pointer;
	border-radius: 50%;
	position:relative; 
	top:-245px; 
	left:-50.5%;
   
}

#segment {
	
	position: relative;
	width: 400px;
	height: 400px;

}

.triangle-left {
	width: 0;
	height: 0;
	border-top: 15px solid transparent;
	border-right: 30px solid black;
	border-bottom: 15px solid transparent;
	z-index:2;
	position:relative;
	top: -300px;
	left: 75%;
}


#PopUpBox {
	width: 150px;
	height: 100px;
	background-color: white;
        border: 2px solid black;
	z-index:3;
	position:relative;
	top: -358px;
	left: 30%;
}

#btn1{
	width: 80px;
	height: 40px;

}