{{#author.avatar_url}}
  <a href="{{author.html_url}}" target="_blank">
    <img alt="{{author.login}}" src="{{author.avatar_url}}" class="thumbnail onebox-avatar">
  </a>
{{/author.avatar_url}}

<h4>
  <a href="{{html_url}}" target="_blank">{{commit.message}}</a>
</h4>

<div class="date">
  by <a href="{{author.html_url}}" target="_blank">{{author.login}}</a>
  on <a href="{{html_url}}" target="_blank">{{commit_date}}</a>
</div>

<div class="github-commit-stats">
  changed <strong>{{files.length}} files</strong>
  with <strong>{{stats.additions}} additions</strong>
  and <strong>{{stats.deletions}} deletions</strong>.
</div>

{{#author.avatar_url}}
  <a href="{{author.html_url}}" target="_blank">
    <img alt="{{author.login}}" src="{{author.avatar_url}}" class="thumbnail onebox-avatar" width="90" height="90">
  </a>
{{/author.avatar_url}}

<h4>
  <a href="{{html_url}}" target="_blank">{{commit.message}}</a>
</h4>

<div class="date">
  by <a href="{{author.html_url}}" target="_blank">{{author.login}}</a>
  on <a href="{{html_url}}" target="_blank">{{commit_date}}</a>
</div>

<div class="github-commit-stats">
  changed <strong>{{files.length}} files</strong>
  with <strong>{{stats.additions}} additions</strong>
  and <strong>{{stats.deletions}} deletions</strong>.
</div>

Add with/height to github commit author avatar
Add with/height to github commit author avatar