blur adulty matieral

_includes/postlist.njk

@@ -1,9 +1,10 @@
 <ol id="postlist">
 	{% for post in postlist %}
-	<li class="post">
+  <li class="post">
 		<a class="postlink" href="{{ post.url }}">
 			{% if post.data.image %}
-			<img src="/img/{{ post.data.image.src }}" alt="{{ post.data.image.alt }}">
+			<img src="/img/{{ post.data.image.src }}" alt="{{ post.data.image.alt }}"
+        {% if "blur" in post.data.tags %}class="blur"{% endif %}>
 			{% endif %}
 			<h2 data-ha-exclude>{{ post.data.title }}</h2>
 			<ul class="postlist-tags">