ll can be set by the column group's border properties, which can vary in width, style and color." />
        <style type="text/css">
            table
            {
                border-collapse: collapse;
            }
            colgroup
            {
                border-bottom: 8px dashed orange;
                border-left: 16px double purple;
                border-right: 12px dotted yellow;
                border-top: 4px solid blue;
            }
            td
            {
                wid