diff --git a/prosopopee/themes/material/templates/sections/pictures-group.html b/prosopopee/themes/material/templates/sections/pictures-group.html
index 2af50c7..ccd0a0f 100644
--- a/prosopopee/themes/material/templates/sections/pictures-group.html
+++ b/prosopopee/themes/material/templates/sections/pictures-group.html
@@ -1,47 +1,47 @@
 {% if section.background %}
-<div id="bg-section" style="background: {{ section.background }};">
-    {% endif %}
-    <div class="container baguette">
-        <div class="row">
-            {% for line in section.images %}
+    <div id="bg-section" style="background: {{ section.background }};">
+{% endif %}
+
+<div class="container baguette">
+    <div class="row">
+        {% for line in section.images %}
             {% set number = line|length %}
             {% for image in line %}
-            {% if image.type == "video" %}
-            {% set video = Video(image) %}
-            {{ video.copy() }}
-            {% else %}
-            {% set caption = image.text %}
-            {% set image = Image(image) %}
-            {{ image.copy() }}
-            {% endif %}
-            <div class="col s12 m{{24 // number }} l{{12 // number }}">
-                <div class="card">
-                    {% if video %}
-                    <div class="picture card-image">
-                        <img class="lazy" data-original="{{ video.generate_thumbnail("600") }}">
-                        <video class="lazy" id="video" poster="{{ video.generate_thumbnail("600") }}" alt="" autoplay="autoplay" loop="loop" preload="auto" muted="">
-                            <source src="{{ video }}" type="video/webm" data-source="{{ video }}" data-format="vp8" data-extension="webm">
-                        </video>
-                    </div>
-                    {% set video = "" %}
-                    {% else %}
-                    <div class="picture card-image caption">
-                        <a href="{{ image }}" {% if caption %}data-caption="{{ caption }}"{% endif %}>
-                            <img class="lazy" data-original="{{ image.generate_thumbnail("x600") }}">
-                            {% if caption %}
-                            <div class="caption__overlay center">
-                                <h5 class="caption__overlay__title">{{ caption }}</h5>
+                <div class="col s12 m{{24 // number }} l{{12 // number }}">
+                    <div class="card">
+                        {% if image.type == "video" %}
+                            {% set video = Video(image) %}
+                            {{ video.copy() }}
+                            <div class="picture card-image">
+                                <img class="lazy" data-original="{{ video.generate_thumbnail("600") }}">
+                                <video class="lazy" id="video" poster="{{ video.generate_thumbnail("600") }}" alt="" autoplay="autoplay" loop="loop" preload="auto" muted="">
+                                    <source src="{{ video }}" type="video/webm" data-source="{{ video }}" data-format="vp8" data-extension="webm">
+                                </video>
                             </div>
-                            {% endif %}
-                        </a>
+                            {% set video = "" %}
+                        {% else %}
+                            {% set caption = image.text %}
+                            {% set image = Image(image) %}
+                            {{ image.copy() }}
+
+                            <div class="picture card-image caption">
+                                <a href="{{ image }}" {% if caption %}data-caption="{{ caption }}"{% endif %}>
+                                    <img class="lazy" data-original="{{ image.generate_thumbnail("x600") }}">
+                                    {% if caption %}
+                                    <div class="caption__overlay center">
+                                        <h5 class="caption__overlay__title">{{ caption }}</h5>
+                                    </div>
+                                    {% endif %}
+                                </a>
+                            </div>
+                        {% endif %}
                     </div>
-                    {% endif %}
                 </div>
-            </div>
             {% endfor %}
-            {% endfor %}
-        </div>
+        {% endfor %}
     </div>
-    {% if section.background %}
 </div>
+
+{% if section.background %}
+    </div>
 {% endif %}