style.css

 /* 
 * Created by Era Iyer
 * May 2020
 * style.css file 
 */
 
 body {
  font-family:"avenir next", Arial, sans-serif;
  font-size: 12px;
  color: #696969; ;
}

.state {
  fill: white;
  stroke: #fff;
  cursor: pointer;
}

.label {
  pointer-events: none;
}

p{
  text-align: center;
  
}
#title{
  font-size: 16px;
}
#subtitle{
  font-size: 12px;
}

.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  padding-top: 50px; /*Location of the box */
  padding-bottom: 50px;
  left: 0;
  top: 0;
  
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  /* overflow: auto; Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}
.modal-content {
  background-color: #fefefe;
  /* margin: auto; */
  /* padding-right: 20px; */
  /* margin-left: 20px;
  margin-right: 20px; */
  margin-left: 10%;
  border: 1px solid #888;
  width: 80%;
  height: 75%; 
}
/* The Close Button */
.close {
  color: #aaaaaa;
  float: right;
  font-size: 25px;
  font-weight: bold;
  padding: 10px;
}
#graphTitle{
  padding-top: 10px;
  text-align: center;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
}
/*center this, don't use padding left*/
#graphModal {
  display: block;
  margin-left: auto;
  margin-right: auto;
}
div.tooltip {	
  position: absolute;			
  text-align: center;			
  width: 65px;					
  height: 65px;					
  padding: 3px;				
  font: 11px sans-serif;		
  background: lightsteelblue;	
  border: 0px;		
  border-radius: 8px;			
  pointer-events: none;			
}