diff --git a/toolkit/themes/linux/mozapps/extensions/heart.png b/toolkit/themes/linux/mozapps/extensions/heart.png
deleted file mode 100644
index 45b9548fc5d3..000000000000
Binary files a/toolkit/themes/linux/mozapps/extensions/heart.png and /dev/null differ
diff --git a/toolkit/themes/linux/mozapps/jar.mn b/toolkit/themes/linux/mozapps/jar.mn
index ba01972962e8..223a92e69c71 100644
--- a/toolkit/themes/linux/mozapps/jar.mn
+++ b/toolkit/themes/linux/mozapps/jar.mn
@@ -5,5 +5,4 @@
 toolkit.jar:
 #include ../../shared/mozapps.inc.mn
 * skin/classic/mozapps/extensions/extensions.css           (extensions/extensions.css)
-  skin/classic/mozapps/extensions/heart.png                (extensions/heart.png)
   skin/classic/mozapps/update/updates.css                  (update/updates.css)
diff --git a/toolkit/themes/osx/mozapps/extensions/heart.png b/toolkit/themes/osx/mozapps/extensions/heart.png
deleted file mode 100644
index 45b9548fc5d3..000000000000
Binary files a/toolkit/themes/osx/mozapps/extensions/heart.png and /dev/null differ
diff --git a/toolkit/themes/osx/mozapps/jar.mn b/toolkit/themes/osx/mozapps/jar.mn
index 23388bc61892..dd19063a7de1 100644
--- a/toolkit/themes/osx/mozapps/jar.mn
+++ b/toolkit/themes/osx/mozapps/jar.mn
@@ -11,7 +11,6 @@ toolkit.jar:
   skin/classic/mozapps/extensions/rating-not-won.png              (extensions/rating-not-won.png)
   skin/classic/mozapps/extensions/cancel.png                      (extensions/cancel.png)
   skin/classic/mozapps/extensions/toolbarbutton-dropmarker.png    (extensions/toolbarbutton-dropmarker.png)
-  skin/classic/mozapps/extensions/heart.png                       (extensions/heart.png)
 * skin/classic/mozapps/extensions/extensions.css                  (extensions/extensions.css)
   skin/classic/mozapps/extensions/blocklist.css                   (extensions/blocklist.css)
   skin/classic/mozapps/profile/profileSelection.css               (profile/profileSelection.css)
diff --git a/toolkit/themes/shared/extensions/extensions.inc.css b/toolkit/themes/shared/extensions/extensions.inc.css
index 6e22f116a23c..5208c05f20e2 100644
--- a/toolkit/themes/shared/extensions/extensions.inc.css
+++ b/toolkit/themes/shared/extensions/extensions.inc.css
@@ -721,25 +721,15 @@ button.warning {
 }
 
 #detail-contrib-btn {
-  color: var(--in-content-selected-text);
-  text-shadow: none;
-  border: 1px solid transparent;
-  list-style-image: url("chrome://mozapps/skin/extensions/heart.png");
-  background-color: var(--in-content-primary-button-background);
+  -moz-context-properties: fill;
+  fill: currentColor;
+  list-style-image: url("chrome://global/skin/icons/heart.svg");
 }
 
 #detail-contrib-btn .button-icon {
   margin-inline-end: 5px;
 }
 
-#detail-contrib-btn:not(:active):hover {
-  background-color: var(--in-content-primary-button-background-hover);
-}
-
-#detail-contrib-btn:active:hover {
-  background-color: var(--in-content-primary-button-background-active);
-}
-
 #detail-grid {
   margin-bottom: 2em;
 }
diff --git a/toolkit/themes/shared/icons/heart.svg b/toolkit/themes/shared/icons/heart.svg
new file mode 100644
index 000000000000..bc2e160814ab
--- /dev/null
+++ b/toolkit/themes/shared/icons/heart.svg
@@ -0,0 +1,7 @@
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="context-fill">
+  <path d="M8 6s0-4 3.5-4S15 5 15 6c0 4.5-7 9-7 9z"/>
+  <path d="M8 6s0-4-3.5-4S1 5 1 6c0 4.5 7 9 7 9l1-6z"/>
+</svg>
diff --git a/toolkit/themes/shared/jar.inc.mn b/toolkit/themes/shared/jar.inc.mn
index fd5946f65a2a..a31577d53f43 100644
--- a/toolkit/themes/shared/jar.inc.mn
+++ b/toolkit/themes/shared/jar.inc.mn
@@ -35,6 +35,7 @@ toolkit.jar:
   skin/classic/global/icons/error.svg                      (../../shared/icons/error.svg)
   skin/classic/global/icons/find-previous-arrow.svg        (../../shared/icons/find-previous-arrow.svg)
   skin/classic/global/icons/find-next-arrow.svg            (../../shared/icons/find-next-arrow.svg)
+  skin/classic/global/icons/heart.svg                      (../../shared/icons/heart.svg)
   skin/classic/global/icons/help.svg                       (../../shared/icons/help.svg)
   skin/classic/global/icons/info.svg                       (../../shared/incontent-icons/info.svg)
   skin/classic/global/icons/loading.png                    (../../shared/icons/loading.png)
diff --git a/toolkit/themes/windows/mozapps/extensions/heart.png b/toolkit/themes/windows/mozapps/extensions/heart.png
deleted file mode 100644
index 45b9548fc5d3..000000000000
Binary files a/toolkit/themes/windows/mozapps/extensions/heart.png and /dev/null differ
diff --git a/toolkit/themes/windows/mozapps/jar.mn b/toolkit/themes/windows/mozapps/jar.mn
index 80e410d52485..dfd098b13b89 100644
--- a/toolkit/themes/windows/mozapps/jar.mn
+++ b/toolkit/themes/windows/mozapps/jar.mn
@@ -5,5 +5,4 @@
 toolkit.jar:
 #include ../../shared/mozapps.inc.mn
 * skin/classic/mozapps/extensions/extensions.css             (extensions/extensions.css)
-  skin/classic/mozapps/extensions/heart.png                  (extensions/heart.png)
   skin/classic/mozapps/update/updates.css                    (update/updates.css)