meteor__microscope/client/templates/posts/post_submit.html

<template name="postSubmit">
  <form class="main form page">
    <div class="form-group {{ errorClass 'url' }}">
      <label class="control-label" for="url">URL</label>
      <div class="controls">
        <input name="url" id="url" type="text" value="" placeholder="Your URL" class="form-control" />
        <span class="help-block">{{ errorMessage 'url' }}</span>
      </div>
    </div>
    <div class="form-group {{ errorClass 'title' }}">
      <label class="control-label" for="title">Title</label>
      <input name="title" id="title" type="text" value="" placeholder="Name your post" class="form-control" />
      <span class="help-block">{{ errorMessage 'title' }}</span>
    </div>
    <input type="submit" value="Submit" class="btn btn-primary" />
  </form>
</template>