<div class="input-group">
    <input id="modelId" name="modelId" type="text" class="form-control" placeholder="Sketchfab Model ID" aria-label="Sketchfab Model ID" aria-describedby="createModel">
    <button class="btn btn-danger" type="button" id="createModel">Go</button>
</div>
<div class="small mt-1 ms-1">
    <span class="text-muted">Paste sketchfab model ID into text field</span>
</div>