yle -->
<style>
.tooltip {
  background-color: black;
  border: none;
  border-radius: 5px;
  padding: 15px;
  min-width: 400px;
  text-align: left;
  color: white;
}
</style>

</xmp></code></pre>
            <!-- ==================================== -->

            <!-- ========= show JS code ==============  -->
            <pre
              class="language-js d-none d3v4-chunk"
            ><code id="code-js-v4" contenteditable="true"><xmp><script>

// set the dimensions and margins of the graph
var mar