diff --git a/CHANGELOG b/CHANGELOG
index 4285896..8d7c853 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -23,4 +23,5 @@ Nov 16, 2022 · forked, rebased theme from Gitea's default theme, adopted colors
 Nov 17, 2022 · changed row highlight color
 Nov 18, 2022 · made pull requests and new releases menu item and .diff-detail-box background match --color-background
 Nov 29, 2022 · made collapsible elements easier to distinguish from main body
-Dec 12, 2022 · fixed monospace font to display SF Mono in Safari on macOS
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+Dec 12, 2022 · fixed monospace font to display SF Mono in Safari on macOS
+Dec 19, 2022 · for clone url border, used same color as surrounding buttons' border
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diff --git a/public/css/theme-red.css b/public/css/theme-red.css
index 771dc03..591cfef 100644
--- a/public/css/theme-red.css
+++ b/public/css/theme-red.css
@@ -81,4 +81,9 @@ details {
     background-color: var(--color-secondary-light-2); /* make collapsible elements easier to distinguish from main body */
     border-radius: 4px; /* same as code blocks */
     padding: .2em .4em; /* same as code blocks */
+}
+
+.js-clone-url {
+    border: 1px solid var(--color-light-border)!important; /* use same border color as surrounding buttons */
+    border-right: none!important; /* border already there */
 }
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