Create Interface 1

app/assets/stylesheets/register_emails.scss

+.label {
+  font-size: 32px;
+  padding: 20px;
+  margin: 30px;
+}
+.email-text {
+  font-size: 24px;
+}
+.confirm-email-btn {
+  padding: 20px;
+  margin: 30px;
+}
+.confirm {
+  height: 150px;
+  width: 300px;
+}
+.text-confirm {
+  font-size: 26px;
+}

app/mailers/application_mailer.rb

 class ApplicationMailer < ActionMailer::Base
-  default from: 'from@example.com'
+  default from: 'phuocht@zigexn.com'
   layout 'mailer'
 end

app/views/users/register_begin.html.erb

 <div class="container">
-
+  <div class="text-center label">
+    <strong>Register</strong>
+  </div>
+  <div class="row">
+    <div class="col-1 email-text">Email</div>
+    <input type="text" class="form-control col-sm" placeholder="Email" aria-label="Email" >
+  </div>
+  <div class="text-center confirm-email-btn">
+    <button class="btn btn-outline-danger confirm"><strong class="text-confirm">Confirm your email</strong></button>
+  </div>
 </div>