diff --git a/backend/internal/web/ui/auth.css b/backend/internal/web/ui/auth.css
index a719b2b..c02f5c9 100644
--- a/backend/internal/web/ui/auth.css
+++ b/backend/internal/web/ui/auth.css
@@ -284,7 +284,7 @@
     box-shadow 0.218s;
   vertical-align: middle;
   white-space: nowrap;
-  width: auto;
+  width: max-content;
 }
 
 .gsi-material-button .gsi-material-button-icon {
@@ -312,7 +312,7 @@
 }
 
 .gsi-material-button .gsi-material-button-contents {
-  flex-grow: 1;
+  flex-grow: 0;
   font-family: "Roboto", Arial, sans-serif;
   font-weight: 500;
   overflow: hidden;