1 files changed, 46 insertions, 0 deletions
diff --git a/docs/assets/css/bootstrap-responsive.css b/docs/assets/css/bootstrap-responsive.css
index 9dd71c62d..90f63b622 100644
--- a/docs/assets/css/bootstrap-responsive.css
+++ b/docs/assets/css/bootstrap-responsive.css
@@ -21,6 +21,52 @@
   display: none;
   visibility: hidden;
 }
+.visible-phone {
+  display: none;
+}
+.visible-tablet {
+  display: none;
+}
+.visible-desktop {
+  display: block;
+}
+.hidden-phone {
+  display: block;
+}
+.hidden-tablet {
+  display: block;
+}
+.hidden-desktop {
+  display: none;
+}
+@media (max-width: 767px) {
+  .visible-phone {
+    display: block;
+  }
+  .hidden-phone {
+    display: none;
+  }
+  .hidden-desktop {
+    display: block;
+  }
+  .visible-desktop {
+    display: none;
+  }
+}
+@media (min-width: 768px) and (max-width: 979px) {
+  .visible-tablet {
+    display: block;
+  }
+  .hidden-tablet {
+    display: none;
+  }
+  .hidden-desktop {
+    display: block;
+  }
+  .visible-desktop {
+    display: none;
+  }
+}
 @media (max-width: 480px) {
   .nav-collapse {
     -webkit-transform: translate3d(0, 0, 0);