--- a/toolkit/themes/linux/global/button.css
+++ b/toolkit/themes/linux/global/button.css
@@ -15,20 +15,16 @@ button {
   margin: 1px 5px 2px 5px;
   min-width: 6.3em;
   color: ButtonText;
   text-shadow: none;
 }
 
 .button-box {
   -moz-appearance: button-focus;
-  padding-top: 1px;
-  padding-bottom: 2px;
-  padding-inline-start: 3px;
-  padding-inline-end: 4px;
 }
 
 .button-icon {
   margin-inline-end: 2px;
 }
 
 .button-text {
   margin: 0 !important;
@@ -44,39 +40,23 @@ button:hover {
 /* .......... active/open/checked state .......... */
 
 button:hover:active,
 button[open="true"],
 button[checked="true"] {
   color: ButtonText;
 }
 
-button:hover:active > .button-box,
-button[open="true"] > .button-box,
-button[checked="true"] > .button-box {
-  padding-top: 2px;
-  padding-bottom: 1px;
-  padding-inline-start: 4px;
-  padding-inline-end: 3px;
-}
-
 /* .......... disabled state .......... */
 
 button[disabled="true"],
 button[disabled="true"]:hover:active {
   color: GrayText;
 }
 
-button[disabled="true"] > .button-box {
-  padding-top: 1px !important;
-  padding-bottom: 2px !important;
-  padding-inline-start: 3px !important;
-  padding-inline-end: 4px !important;
-}
-
 /* ::::: menu/menu-button buttons ::::: */
 
 button[type="menu-button"] {
   -moz-appearance: dualbutton;
 }
 
 .button-menubutton-button {
   margin: 0;