ww.w3.org/TR/CSS21/tables.html#border-conflict-resolution" />
        <meta name="assert" content="The widest border is dominant when two cell borders collapse." />
        <style type="text/css">
            table
            {
                border-collapse: collapse;
            }
            td
            {
                border: 5px double black;
                height: 3em;
            }
            #cell3
            {
                border: 10px dashed black;
            }
            #cell1
   