# A black and gray SVG Line chart

A straightforward Line chart that's showing UFO sightings over the past century. As you can see - people's creativity is clearly on the increase - particularly since the 1990s!

The background grid is customised with white and an increased number of vertical lines.

The `X-axis` labels are just years, the axes have been turned off and the tickmarks for the line are filled circles.

On the whole, it's a pretty regular Line chart. The `responsive` configuration just shrinks the size of the chart and reduces the size of the `linewidth` and the `tickmarksSize` options.

This goes in the documents header:

    <script src="../libraries/RGraph.svg.common.core.js" ></script>
    <script src="../libraries/RGraph.svg.line.js" ></script>

Put this where you want the chart to show up:

    <div style="float: right">
        <div style="width: 600px; height: 250px" id="chart-container"></div>
    </div>

This is the code that generates the chart - it should be placed AFTER the `div` tag: