--- a/browser/themes/shared/customizableui/panelUI.inc.css
+++ b/browser/themes/shared/customizableui/panelUI.inc.css
@@ -2057,16 +2057,17 @@ photonpanelmultiview #panelMenu_pocket {
 }
 
 .subviewbutton.download > .toolbarbutton-text > .status-text {
   color: GrayText;
   font-size: .7em;
 }
 
 .subviewbutton.download > .action-button {
+  -moz-appearance: none; /* To avoid native Windows hover styling */
   -moz-context-properties: fill;
   fill: currentColor;
   list-style-image: url("chrome://browser/skin/find.svg");
   /* Measurement to vertically center this button: 1 line of text minus half of 4px top margin. */
   margin: calc(1em - 2px) 0 0;
   padding: 4px;
 }