Copy this code and paste it in your HTML
<table style="table-layout: fixed; width:100%"> <td style="width:10%; word-wrap:break-word; background:grey; display:block;">asdfasdfasdfasdfsadfasdfasfdasdfasdfasdf
</td> <td style="width:90%; word-wrap:break-word; display:block;">TTTTTTTTTTTTT
</td>