WP audio playlist width

Found a solution:

    <div style="float:left;width:50%;">
    <div style="padding-right:10px;">

    
    </div></div>

    <div style="float:right;width:50%;">
    <div style="padding-left:10px;">

    
    </div></div>

    <div style="clear: both;"></div> 

Best,