webapp/core/view/evidence_new.html
<?php if (noSystemMessages()) : ?>
<p class="bg-padded bg-info">
Upload a file below. It should be below 2MB.
</p>
<?php endif; ?>
<h1>Upload evidence</h1>
<form action="<?php echo $dispute->getUrl(); ?>/evidence" method="post" enctype="multipart/form-data">
<div class="col-lg-12">
<label for="fileToUpload">Select file to upload:</label>
<input class="form-control" type="file" name="fileToUpload" id="fileToUpload">
</div>
<div class="col-lg-12">
<button class="btn btn-lg btn-primary btn-block" type="submit">Upload</button>
</div>
</form>