feat: optimize register setup page.

client/src/containers/Subscriptions/billingPeriods.js

@@ -15,6 +15,7 @@ function BillingPeriod({ price, period, currency, onSelected, selected }) {
       <span className={'bg-period'}>
         <T id={period} />
       </span>
+
       <div className={'plan-price'}>
         <span className={'amount'}>
           {price} {currency}
@@ -43,11 +44,11 @@ function BillingPeriods({ formik, title, selected = 1 }) {
   });
 
   return (
-    <section>
+    <section class="billing-section">
       <h1 className={'bg-title'}>
         <T id={title} />
       </h1>
-      <p className={'bg-message'}>
+      <p className='paragraph'>
         <T id={'please_enter_your_preferred_payment_method'} />
       </p>
       <div className={'payment-method-continer'} ref={billingRef}>