diff --git a/themes/bootstrap/scss/_common.scss b/themes/bootstrap/scss/_common.scss
index 98e9606961..cdeabca247 100644
--- a/themes/bootstrap/scss/_common.scss
+++ b/themes/bootstrap/scss/_common.scss
@@ -3572,6 +3572,10 @@ body .ui-dialog {
     overflow-x: auto;
   }
 
+  .sticky {
+    top: 0;
+  }
+
   body#loginform div.container {
     width: 100%;
   }
diff --git a/themes/metro/scss/_common.scss b/themes/metro/scss/_common.scss
index 72e2e5c74e..87bece76f8 100644
--- a/themes/metro/scss/_common.scss
+++ b/themes/metro/scss/_common.scss
@@ -3555,3 +3555,9 @@ body {
     text-align: #{$left};
   }
 }
+
+@media only screen and (max-width: 768px) {
+  .sticky {
+    top: 0;
+  }
+}
diff --git a/themes/original/scss/_common.scss b/themes/original/scss/_common.scss
index 5ad24bec2d..e3cb741584 100644
--- a/themes/original/scss/_common.scss
+++ b/themes/original/scss/_common.scss
@@ -3270,6 +3270,10 @@ body {
     overflow-x: auto;
   }
 
+  .sticky {
+    top: 0;
+  }
+
   body#loginform div.container {
     width: 100%;
   }
diff --git a/themes/pmahomme/scss/_common.scss b/themes/pmahomme/scss/_common.scss
index 7053db481c..2052e1d375 100644
--- a/themes/pmahomme/scss/_common.scss
+++ b/themes/pmahomme/scss/_common.scss
@@ -3633,6 +3633,10 @@ body .ui-dialog {
     overflow-x: auto;
   }
 
+  .sticky {
+    top: 0;
+  }
+
   body#loginform div.container {
     width: 100%;
   }