index.css

body {
    color: white;
    font-family: ‘Courier New’, Courier, monospace;
    background-color: black;
    font-size: 12px;
}

.background {
  fill: none;
  pointer-events: all;
}

.states {
  cursor: pointer;
}

.states .active {
  display:none;
}
.gundeaths {
  display:none;
}
.policestates {
  display:none;
}
.policecounties {
  display:none;
}  
#state-borders {
  fill: none;
  stroke: #fff;
  stroke-width: 1.5px;
  stroke-linejoin: round;
  stroke-linecap: round;
  pointer-events: none;
}
.county-boundary {
  fill: #aaa;
  stroke: #fff;
  stroke-width: .5px;
}
.tooltip {                                                        
    background-color: lightgray;                                              
    color: black;                                                   
    display: none;                                                 
    padding: 10px;                                                                                           
    text-align: center;                                                                                               
}  
#map,
#mapType {
    float: left;
}
#mapType > li {
  padding: 2em;
}
.mapTitle {
    margin-left: 3%;
    background-color: black;
    margin-bottom: 5px;
    margin-bottom: 20px;
}
#map {
    text-align: center;
    margin-right: 2em;
}
path {
    stroke-width: 1px;
    stroke: white;
    cursor: pointer;
}
.point {
    fill: red;
    opacity: 0.4;
}
ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    width: 200px;
    background-color: #f1f1f1;
}
li {
    display: block;
    color: #000;
    padding: 8px 0 8px 16px;
    text-decoration: none;
}
#mapType li:hover {
    background-color: lightgray;
    color: white;
}
.active {
    background-color: darkgray;
    color: white;
}