tabler/pages/_includes/ui/form/input-file.html

<div class="form-file">
	<input type="file" class="form-file-input" id="customFile">
	<label class="form-file-label" for="customFile">
		<span class="form-file-text">Choose file...</span>
		<span class="form-file-button">Browse</span>
	</label>
</div>