diff --git a/chrome/hide_tabs_with_one_tab.css b/chrome/hide_tabs_with_one_tab.css
index 56a2d55..1b1a30b 100644
--- a/chrome/hide_tabs_with_one_tab.css
+++ b/chrome/hide_tabs_with_one_tab.css
@@ -29,9 +29,11 @@ See the above repository for updates as well as full license text. */
 }
 .accessibility-indicator > hbox{ padding-block: 0 !important }
 
-#tabbrowser-tabs .tabbrowser-tab{ height: calc(var(--tab-min-height) + 2 * var(--tab-block-margin,0px)) }
+.tabbrowser-tab{
+  height: calc(var(--tab-min-height) + 2 * var(--tab-block-margin,0px));
+}
 
-#tabbrowser-tabs .tabbrowser-tab[first-visible-tab="true"][last-visible-tab="true"]{
+.tabbrowser-tab[first-visible-tab="true"][last-visible-tab="true"]{
   visibility: collapse !important;
 }
 
@@ -61,4 +63,4 @@ See the above repository for updates as well as full license text. */
 }
 :where(#nav-bar){
   border-inline: var(--uc-window-drag-space-width,0) solid var(--toolbar-bgcolor);
-}
\ No newline at end of file
+}