diff --git a/packages/amplify-ui/src/Button.css b/packages/amplify-ui/src/Button.css
index fe782f581fb..88d8f8392d8 100644
--- a/packages/amplify-ui/src/Button.css
+++ b/packages/amplify-ui/src/Button.css
@@ -114,7 +114,8 @@
 
 .signInButtonIcon {
   position: absolute;
-  left: 0; 
+  left: 0;
+  box-sizing: content-box;
 }
 
 .signInButtonContent {
@@ -126,4 +127,5 @@
   overflow: hidden;
   text-overflow: ellipsis;
   text-align: center;
-}
\ No newline at end of file
+  line-height: initial;
+}