diff --git a/koha-tmpl/intranet-tmpl/prog/css/src/staff-global.scss b/koha-tmpl/intranet-tmpl/prog/css/src/staff-global.scss
index 61b26051d0..2844424e29 100644
--- a/koha-tmpl/intranet-tmpl/prog/css/src/staff-global.scss
+++ b/koha-tmpl/intranet-tmpl/prog/css/src/staff-global.scss
@@ -239,6 +239,12 @@ button {
 }
 
 main {
+    &::after {
+        clear: both;
+        content: " ";
+        display: table;
+    }
+
     .yui-b {
         fieldset {
             &.brief {