<https://forum.squarespace.com/topic/207769-stacking-check-boxes-in-form-fields-in-columns/#comment-507418>
<http://schema.org/text>
"Add to Design &gt; Custom CSS\n \n\n/* Contact us checkbox */\nbody#collection-609d2c80b2ca3513fc85c1fc .form-wrapper .field-list .field .option {\n    float: none !important;\n    width: 100% !important;\n}\n\n\n\t \n \n"
<https://forum.squarespace.com/topic/207769-stacking-check-boxes-in-form-fields-in-columns/>