diff --git a/web_src/css/base.css b/web_src/css/base.css
index 018c7d7bcd5f7..fdfbea610b8de 100644
--- a/web_src/css/base.css
+++ b/web_src/css/base.css
@@ -1778,15 +1778,6 @@ table th[data-sortt-desc] .svg {
   border-color: var(--color-secondary);
 }
 
-.ui.tabular.menu .item {
-  padding: 11px 12px;
-  color: var(--color-text-light-2);
-}
-
-.ui.tabular.menu .item:hover {
-  color: var(--color-text);
-}
-
 .ui.tabular.menu .active.item,
 .ui.tabular.menu .active.item:hover {
   background: var(--color-body);
@@ -1803,17 +1794,36 @@ table th[data-sortt-desc] .svg {
   border-color: var(--color-secondary);
 }
 
+.ui.tabular.menu .item,
 .ui.secondary.pointing.menu .item {
+  padding: 11px 12px !important;
   color: var(--color-text-light-2);
 }
 
+.ui.tabular.menu .item:hover,
+.ui.secondary.pointing.menu a.item:hover {
+  color: var(--color-text);
+}
+
 .ui.secondary.pointing.menu .active.item,
 .ui.secondary.pointing.menu .active.item:hover,
-.ui.secondary.pointing.menu .dropdown.item:hover,
-.ui.secondary.pointing.menu a.item:hover {
+.ui.secondary.pointing.menu .dropdown.item:hover {
   color: var(--color-text-dark);
 }
 
+.ui.tabular.menu .active.item,
+.ui.secondary.pointing.menu .active.item,
+.resize-for-semibold::before {
+  font-weight: var(--font-weight-semibold);
+}
+
+.resize-for-semibold::before {
+  content: attr(data-text);
+  visibility: hidden;
+  display: block;
+  height: 0;
+}
+
 .ui.header {
   color: var(--color-text);
 }
diff --git a/web_src/css/repo/header.css b/web_src/css/repo/header.css
index f66df4cd8b2b4..e998bb9a73887 100644
--- a/web_src/css/repo/header.css
+++ b/web_src/css/repo/header.css
@@ -8,6 +8,7 @@
   flex-flow: row wrap;
   justify-content: space-between;
   gap: 0.5rem;
+  margin-bottom: 4px;
 }
 
 .repo-header .flex-item {
diff --git a/web_src/js/webcomponents/overflow-menu.js b/web_src/js/webcomponents/overflow-menu.js
index 9fa45855677fe..604fce7d4bb4d 100644
--- a/web_src/js/webcomponents/overflow-menu.js
+++ b/web_src/js/webcomponents/overflow-menu.js
@@ -127,6 +127,25 @@ window.customElements.define('overflow-menu', class extends HTMLElement {
   });
 
   init() {
+    // for horizontal menus where fomantic boldens active items, prevent this bold text from
+    // enlarging the menu's active item replacing the text node with a div that renders a
+    // invisible pseudo-element that enlarges the box.
+    if (this.matches('.ui.secondary.pointing.menu, .ui.tabular.menu')) {
+      for (const item of this.querySelectorAll('.item')) {
+        for (const child of item.childNodes) {
+          if (child.nodeType === Node.TEXT_NODE) {
+            const text = child.textContent.trim(); // whitespace is insignificant inside flexbox
+            if (!text) continue;
+            const span = document.createElement('span');
+            span.classList.add('resize-for-semibold');
+            span.setAttribute('data-text', text);
+            span.textContent = text;
+            child.replaceWith(span);
+          }
+        }
+      }
+    }
+
     // ResizeObserver triggers on initial render, so we don't manually call `updateItems` here which
     // also avoids a full-page FOUC in Firefox that happens when `updateItems` is called too soon.
     this.resizeObserver = new ResizeObserver((entries) => {