diff --git a/src/theme/_header.scss b/src/theme/_header.scss
index 9381ce05..b698b8e0 100644
--- a/src/theme/_header.scss
+++ b/src/theme/_header.scss
@@ -87,8 +87,8 @@
       }
 
       button {
-        width: 75px;
-        height: 75px;
+        width: 64px;
+        height: 64px;
         border: none;
         border-radius: 50%;
         background-color: transparent;