.toggle-graph {
  float: left;
  margin-left: 16px;
  cursor: pointer;
  position: relative;
  z-index: 1;
}
.toggle-graph svg {
  height: 20px;
  width: 20px;
}
.toggle-graph svg path {
  fill: #777;
}

.toggle-graph.active svg path,
.toggle-graph:hover svg path,
.toggle-graph:focus svg path {
  fill: black;
}