MD History: Tweak CSS for menu buttons

chrome/browser/resources/md_history/shared_style.html

Index: chrome/browser/resources/md_history/shared_style.html
diff --git a/chrome/browser/resources/md_history/shared_style.html b/chrome/browser/resources/md_history/shared_style.html
index fc00d7f538ee837d25a10c169e93d8312a351ad5..0f6a388185c6281023d6cebb7abc477c79d61ed8 100644
--- a/chrome/browser/resources/md_history/shared_style.html
+++ b/chrome/browser/resources/md_history/shared_style.html
@@ -72,14 +72,14 @@
 
       button.more-vert-button {
         height: 36px;
-        padding: 6px;
+        padding: 8px;
         width: 36px;
       }
 
       button.more-vert-button div {
         border: 2px solid var(--secondary-text-color);
         border-radius: 2px;
-        margin: 1px 10px;
+        margin: 1px 8px;
         pointer-events: none;
         transform: scale(0.8);
       }