.axis path,
.axis line {
    fill: none;
    stroke: #eee;
    shape-rendering: crispEdges;
}
.banner {
  width: 100%;
  height: 50px;
}

.axis text {
    font-family: sans-serif;
    font-size: 12px;
    font-weight: bold;
}
 
.loading {
    font-family: sans-serif;
    font-size: 15px;
}
 
.shapes {
  opacity: .75;
} 

.d3-tip {
  line-height: 1;
  padding: 4px;
  background: #424242;
  opacity: 0.75;
  color: #fff;
  border-radius: 2px;
}

/* Creates a small triangle extender for the tooltip */
.d3-tip:after {
  box-sizing: border-box;
  display: inline;
  font-size: 6px;
  width: 100%;
  line-height: 1;
  color: rgba(0, 0, 0, 0.8);
  content: "\25BC";
  position: absolute;
  text-align: center;
}

/* Style northward tooltips differently */
.d3-tip.n:after {
  margin: -1px 0 0 0;
  top: 100%;
  left: 0;
}