streams/view/tpl/superblock_widget.tpl

<div id="follow-sidebar" class="widget">
	<h3>{{$connect}}</h3>
	<form action="superblock" method="post" >
		<div class="input-group">
			<input class="form-control" id="follow_input" type="text" name="block" title="{{$hint}}" placeholder="{{$desc}}" >
			<input type="hidden" name="manual_block" value="1">
			<div class="input-group-append">
				<button class="btn btn-sm btn-success" type="submit" name="submit" value="{{$follow}}" title="{{$follow}}"><i class="fa fa-fw fa-plus"></i></button>
			</div>
		</div>
	</form>
</div>