layout : default
<div id=“post”>
{% if page.thumbnail %} <span class="header-img"> <img src="{{ site.url }}{{ site.baseurl }}/assets/img/{{ page.thumbnail}}" alt=""> <h1>{{ page.title }}</h1> </span> {% endif %} {{ content }}
</div>
layout : default
<div id=“post”>
{% if page.thumbnail %} <span class="header-img"> <img src="{{ site.url }}{{ site.baseurl }}/assets/img/{{ page.thumbnail}}" alt=""> <h1>{{ page.title }}</h1> </span> {% endif %} {{ content }}
</div>