.rs-newsletter-area {
  position: relative;
}
.rs-newsletter-area .rs-newsletter-btn {
  position: absolute;
  top: 8px;
  right: 8px;
}

.app_newsletter .rs-newsletter-form {
  position: relative;
}
.app_newsletter .rs-newsletter-form input {
  border-radius: 30px;
}
.app_newsletter .rs-newsletter-form input[type=email] {
  width: 100%;
}
.app_newsletter .rs-newsletter-form input[type=submit] {
  position: absolute;
  right: 9px;
  top: 7px;
  font-weight: 600;
  font-size: 16px;
  padding: 10px 45px;
}