bigbluebutton-Github/labs/meteor-client/app/client/views/sharedTemplates.html

<template name="scrollWindow">
    {{> yield}}
    <div class="ScrollableWindow" id="{{id}}">
        {{> yield region="scrollContents"}}
    </div>
</template>

<template name="makeButton">
   <button type="submit" id="{{id}}" class="{{btn_class}} btn" {{isDisabled}} rel="{{rel}}" data-placement="{{data_placement}}" title="{{title}}">
      <i class="{{i_class}}"></i>
   </button>
</template>