diff --git a/packages/theme-chalk/src/segmented.scss b/packages/theme-chalk/src/segmented.scss
index cd57845ccf..37baa2346f 100644
--- a/packages/theme-chalk/src/segmented.scss
+++ b/packages/theme-chalk/src/segmented.scss
@@ -93,7 +93,10 @@ $segmented-item-padding-vertical: map.merge(
       &:before {
         position: absolute;
         content: '';
-        inset: 0;
+        left: 0;
+        right: 0;
+        top: 0;
+        bottom: 0;
         border-radius: inherit;
         outline: 2px solid getCssVar('segmented-item-selected-bg-color');
         outline-offset: 1px;
diff --git a/packages/theme-chalk/src/splitter.scss b/packages/theme-chalk/src/splitter.scss
index ad1974856c..0d9b3dda25 100644
--- a/packages/theme-chalk/src/splitter.scss
+++ b/packages/theme-chalk/src/splitter.scss
@@ -12,7 +12,10 @@
   @include e(mask) {
     position: absolute;
     z-index: 999;
-    inset: 0;
+    left: 0;
+    right: 0;
+    top: 0;
+    bottom: 0;
   }
   @include e(mask-horizontal) {
     cursor: col-resize;