운영진 표시 방법 개선 (#25)

Author: 9bow

about.html

@@ -76,7 +76,7 @@ <h3 class="features">운영진 소개</h3>
               {% else %}
                 {% assign active_class = "active" %}
               {% endif %}
-              <div class="col-md-3">
+              <div class="col-xl-2 col-lg-3 col-md-3 col-sm-4 col-6">
                 <div class="maintainer">
                   <a class="{{ active_class }}" href="#"><img src="{{ site.base_url }}/assets/images/maintainers/{{ maintainer.github }}.png" alt="{{ maintainer.github }}"></a>
                   <div class="member-info">