HTML Email Issue

HTML

<table id="Table_1_col" width="600" border="0" cellpadding="0" cellspacing="0" background="ffffff"
       style="background:#fff;display:block;table-layout:fixed;border-collapse:collapse!important;mso-table-lspace:0;mso-table-rspace:0;border-spacing:0;border:0;mso-cellspacing:0;mso-padding-alt:0;padding:0;margin:0;font-size:0;line-height:0;width:600px;min-width:600px;max-width:600px;"
       valign="top">
    <tbody>
    <tr style="display:block;white-space:nowrap;">
        <td style="font-size:0;line-height:0;margin:0;padding:0;background:url(images/_TRAVEL-15_05.jpg);background-image:url(images/_TRAVEL-15_05.jpg);background-size:100% 100%;background-color: #F00;"
            valign="top" align="left"><a href="https://www.afterpay.com/en-AU/categories/travel" align="left"
                                         style="font-size:0;line-height:0;display:block;margin:0;padding:0;" target="_blank"><img src="images/_TRAVEL-15_05.jpg"
                                                                                                                                  width="600" height="241" alt=""
                                                                                                                                  style="float:left;width:600px;display:block;margin:0;outline:0;text-decoration:none;-ms-interpolation-mode:bicubic;border:0;"
                                                                                                                                  border="0" align="left"></a></td>
    </tr>
    </tbody>
</table>

<table id="Table_3_col" width="600" border="0" cellpadding="0" cellspacing="0" background="ffffff"
       style="background:#fff;display:block;table-layout:fixed;border-collapse:collapse!important;mso-table-lspace:0;mso-table-rspace:0;border-spacing:0;border:0;mso-cellspacing:0;mso-padding-alt:0;padding:0;margin:0;font-size:0;line-height:0;width:600px;min-width:600px;max-width:600px;"
       valign="top">
    <tbody>
    <tr...