diff --git a/app/templates/views/register.html b/app/templates/views/register.html
index bb99fa881..c89257022 100644
--- a/app/templates/views/register.html
+++ b/app/templates/views/register.html
@@ -15,10 +15,10 @@ GOV.UK Notify | Create an account
     <p>If you've used GOV.UK Notify before, <a href="{{ url_for('.sign_in') }}">sign in to your account</a>.</p>
 
     <form autocomplete="off" action="" method="post">
-      {{ textbox(form.name) }}
-      {{ textbox(form.email_address, hint="Your email address must end in .gov.uk") }}
-      {{ textbox(form.mobile_number) }}
-      {{ textbox(form.password, hint="Your password must have at least 10 characters") }}
+      {{ textbox(form.name, width='3-4') }}
+      {{ textbox(form.email_address, hint="Your email address must end in .gov.uk", width='3-4') }}
+      {{ textbox(form.mobile_number, width='3-4') }}
+      {{ textbox(form.password, hint="Your password must have at least 10 characters", width='3-4') }}
       {{ page_footer("Continue") }}
     </form>
   </div>