diff --git a/templates/blocks/dynamic/b_sections_buttons.html b/templates/blocks/dynamic/b_sections_buttons.html
index 6314f8a..19bc1da 100644
--- a/templates/blocks/dynamic/b_sections_buttons.html
+++ b/templates/blocks/dynamic/b_sections_buttons.html
@@ -2,7 +2,7 @@
 <div class="container_sections_buttons">
     <div class="cut-width container_content_sections_buttons">
         {% for section in sections %}
-            <a href="{% url 'section_page' section.url %}" class="section_btn close standart_txt" data-url="{{ section.url }}">
+            <a href="{% url 'section_page' section.url %}" class="section_btn {% if section == cur_section %}open{% else %}close{% endif %} standart_txt" data-url="{{ section.url }}">
                 <div class="txt_section standart_txt">{{ section.name }}</div>
             </a>
         {% endfor %}