--- a/browser/extensions/formautofill/skin/shared/editProfile.css
+++ b/browser/extensions/formautofill/skin/shared/editProfile.css
@@ -31,18 +31,28 @@ label > span {
 }
 
 input,
 select {
   flex: 1 0 auto;
   width: 9em;
 }
 
+select {
+  background-image: url("chrome://global/skin/in-content/dropdown.svg#dropdown");
+  background-position: right 3px center;
+  background-repeat: no-repeat;
+  background-size: auto 18px;
+  font-size: inherit;
+  padding-inline-end: 24px;
+  text-overflow: ellipsis;
+}
+
 option {
-  padding: 6px;
+  padding: 5px 10px;
 }
 
 textarea {
   resize: none;
 }
 
 button {
   padding: 3px 2em;