<div style="display:grid;gap:16px;max-width:420px">
<div class="ui-field" style="max-width:none"><label class="ui-label" for="em1">Email</label><.error_message id="em1-error">Enter an email address in the correct format, like name@example.com</.error_message><input class="ui-input" id="em1" value="ada@example" aria-invalid="true" aria-describedby="em1-error"></div>
<div class="ui-field" style="max-width:none"><label class="ui-label" for="em2">Number of seats</label><input class="ui-input" id="em2" value="0" aria-invalid="true" aria-describedby="em2-error"><.error_message id="em2-error">Number of seats must be 1 or more</.error_message></div>
</div>