</div>
<div class="field" style="display:none;" id="upload_key">
<label for="file">Upload public key</label>
- <input type="file" name="user_public_key" id="user_public_key"/>
+ <input type="file" name="user_public_key" class="required" id="user_public_key"/>
<p class="hint">Upload a valid public key</p>
</div>
<div class="field">