--- a/devtools/client/themes/toolbars.css
+++ b/devtools/client/themes/toolbars.css
@@ -457,17 +457,17 @@
 .devtools-style-searchbox-no-match {
   background-color: var(--searcbox-no-match-background-color) !important;
   border-color: var(--searcbox-no-match-border-color) !important;
 }
 
 .devtools-searchinput-clear {
   position: absolute;
   top: 3.5px;
-  right: 7px;
+  offset-inline-end: 7px;
   padding: 0;
   border: 0;
   width: 16px;
   height: 16px;
   background-position: 0 0;
   background-repeat: no-repeat;
   background-color: transparent;
 }