title: Highcharts problems: variable legend height
body: <p>I have to set the height &amp; width of the Highcharts placeholder. But the data to be displayed is variable. When the series names(long name) come to much more. The lengend height grows too high and hide the chart.</p>
  <p>How could I solve this problem? Hoping to get some help.</p>
  <p><img src="https://i.stack.imgur.com/NGa5b.png" alt="screenshot" /></p>