This code generate a two-column layout and ensure that columns will not collapse in mobile view https://screen.ac/GGup8wZe

2-Column, No Collapse

<table width="100%" style="min-width:auto!important; display:table!important;">
    <tr>
        <td width="48%" align="top" valign="left" style="display:table-cell !important; width:48.99% !important;max-width:48.99% !important; font-size: 15px; font-family: sans-serif; line-height: 1.5;">
            This is your welcome paragraph. You can write anything you want here. Simply click on the text to start editing. Once you click on the text you will have options such as bold, font color, font size, etc.. You can also style this area of content by clicking on the text and then using the options found in the right side bar of this page. You can adjust the background, padding, margin, etc..
        </td>
        <td width="20" style="display:table-cell !important; width:20px !important;max-width:20px !important;">&nbsp;</td>
        <td width="48%" align="top" valign="left" style="display:table-cell !important; width:48.99% !important;max-width:48.99% !important; font-size: 15px; font-family: sans-serif; line-height: 1.5;">
            This is your welcome paragraph. You can write anything you want here. Simply click on the text to start editing. Once you click on the text you will have options such as bold, font color, font size, etc.. You can also style this area of content by clicking on the text and then using the options found in the right side bar of this page. You can adjust the background, padding, margin, etc..
        </td>
    </tr>
</table>