<!DOCTYPE html>
<html style="background-color: #fff;color: #000;">
    <head><meta name="viewport" content="device-width, initial-scale=1, user-scalable=no"></head>
    <body style="font-size:100%;line-height:120%;font-family:Arial;padding:4.2vw;margin:0;"><?php echo $sf_content;?></body>
</html>