Replace inline-style with container+class

Author: 0xEAB

css/main.css

@@ -19,3 +19,7 @@
 .site-nav {
 	display: inline-block;
 }
+
+.gallery img {
+	max-width: 30%;
+}

meiz/index.html

@@ -3,11 +3,13 @@
 title: Meiz
 ---
 
+<div class="gallery">
 {% for file in site.static_files -%}
   {%- assign pageurl = page.url | replace: 'index.html', '' -%}
   {%- if file.path contains pageurl -%}
     {%- if file.extname == '.jpg' %}
-      <img src="{{ site.baseurl }}{{ file.path }}" alt="{{ file.basename }}" style="max-width:30%">
+      <img src="{{ site.baseurl }}{{ file.path }}" alt="{{ file.basename }}">
     {%- endif -%}
   {%- endif -%}
 {% endfor -%}
+</div>