diff --git a/src/iconStyle.scss b/src/iconStyle.scss
index c2e71b2..afb0714 100644
--- a/src/iconStyle.scss
+++ b/src/iconStyle.scss
@@ -83,6 +83,7 @@
 }
 
 :host([customSize]) {
+  --auro-size-lg:100%
   --ds-size-300: 100%;
 
   width: 100%;