diff --git a/zsite/static/less/service.less b/zsite/static/less/service.less
index 70ff8bd..f56bcfd 100644
--- a/zsite/static/less/service.less
+++ b/zsite/static/less/service.less
@@ -554,6 +554,20 @@
 }
 
 
+.patents-example {
+    .btn-primary {
+         @media (min-width: 0) {
+            display: none;
+           
+        }
+
+        @media (min-width: @screen-phone) {
+            display: block;
+        }
+    }
+}
+
+
 .patents-portfolio {
     margin-top: 55px;
     ul {