diff --git a/chrome/button_effect_scale_onhover.css b/chrome/button_effect_scale_onhover.css
new file mode 100644
index 0000000..d35ad96
--- /dev/null
+++ b/chrome/button_effect_scale_onhover.css
@@ -0,0 +1,32 @@
+/* Effect */
+
+:root:not([uidensity="compact"]) #back-button{ --uc-back-extra-padding: 2px }
+
+.toolbarbutton-icon,
+.menuitem-iconic .menu-iconic-icon{
+  transition: transform 82ms linear !important;
+}
+
+toolbar .toolbarbutton-1 > .toolbarbutton-icon{
+  transition: padding 82ms linear !important;
+}
+
+toolbarbutton:not(.toolbarbutton-1) > .toolbarbutton-icon,
+toolbar .toolbarbutton-1 > .toolbarbutton-badge-stack > .toolbarbutton-icon,
+.menuitem-iconic .menu-iconic-icon{
+  transform: scale(0.8) !important;
+}
+
+toolbar .toolbarbutton-1 > .toolbarbutton-icon{
+  padding: calc(var(--toolbarbutton-inner-padding) + var(--uc-back-extra-padding,0px) + 2px) !important;
+}
+
+toolbarbutton:not(.toolbarbutton-1):not([disabled]):hover > .toolbarbutton-icon,
+toolbar .toolbarbutton-1:not([disabled]):hover > .toolbarbutton-badge-stack > .toolbarbutton-icon,
+.menuitem-iconic:not([disabled]):hover .menu-iconic-icon{
+  transform: none !important;
+}
+
+toolbar .toolbarbutton-1:not([disabled]):hover > .toolbarbutton-icon{
+  padding: calc(var(--toolbarbutton-inner-padding) + var(--uc-back-extra-padding,0px)) !important;
+}
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