diff --git a/docs/css/mobile.css b/docs/css/mobile.css
index c538f953fb..1a2ea6fcc3 100644
--- a/docs/css/mobile.css
+++ b/docs/css/mobile.css
@@ -87,6 +87,10 @@
     #body {
        margin-top: 180px;
     }
+    #documentation section,
+    #documentation .section,
+    #knowledge-base section,
+    #knowledge-base .section,
     div.panel {
        width: 80%;
        float: none;