diff --git a/templates/customer/authentication.tpl b/templates/customer/authentication.tpl
index e2cd697..4838273 100644
--- a/templates/customer/authentication.tpl
+++ b/templates/customer/authentication.tpl
@@ -31,7 +31,7 @@
       </span>
     {/block}
     {block name='login_form_container'}
-      <section class="login-form w-1/4">
+      <section class="login-form w-3/4 md:w-1/2 lg:w-1/4">
         {render file='customer/_partials/login-form.tpl' ui=$login_form}
       </section>
       <hr/>