diff --git a/static/aerbimCSS.css b/static/aerbimCSS.css
index 24d1ff2..afec1cb 100644
--- a/static/aerbimCSS.css
+++ b/static/aerbimCSS.css
@@ -516,7 +516,7 @@ body,html{
     transition: 200ms;
 }
 
-.btn_inf_about_plugin:hover > .btn_inf_about_plugin_txt{
+.btn_inf_about_plugin:hover .btn_inf_about_plugin_txt{
     color: #ffffff;
 }
 
diff --git a/templates/blocks/b_3d_s_d.html b/templates/blocks/b_3d_s_d.html
index 1329b5e..bf34427 100644
--- a/templates/blocks/b_3d_s_d.html
+++ b/templates/blocks/b_3d_s_d.html
@@ -39,7 +39,7 @@
                                 </div>
                             {% endif %}
                             {% if block.but2_title %}
-                                <div class="container_content_btn_download btn_inf_about_plugin_txt standart_semi_bold_txt">
+                                <div class="btn_inf_about_plugin_txt standart_semi_bold_txt">
                                     {{ block.but2_title }}
                                 </div>
                             {% endif %}