diff --git a/userChrome.css b/userChrome.css
index 06de44d..80424d5 100644
--- a/userChrome.css
+++ b/userChrome.css
@@ -441,8 +441,8 @@
     background-color: color-mix(in srgb, currentColor 20%, transparent); /*  Replace var(--toolbarseparator-color) - Hard coded for compatibility */
   }
 
-  .tabbrowser-tab:is([visuallyselected], [multiselected], :hover) + .tabbrowser-tab:not([visuallyselected]) .tab-background::before,
-  .tabbrowser-tab:is([visuallyselected], [multiselected], :hover) ~ #tabs-newtab-button::before,
+  .tabbrowser-tab:is([visuallyselected], [multiselected], :hover) ~ .tabbrowser-tab[afterhovered] .tab-background::before,
+  .tabbrowser-tab[last-visible-tab]:is([visuallyselected], [multiselected], :hover) ~ #tabs-newtab-button::before,
   .tabbrowser-tab[first-visible-unpinned-tab]:is([visuallyselected], [multiselected], :hover) .tab-background::before,
   #tabbrowser-arrowscrollbox[overflowing] tab.tabbrowser-tab[first-visible-unpinned-tab] .tab-background::before {
     opacity: 0 !important;