Reply To: Subscription fields in the same line

Hello,

Please add this code to the Theme Settings > Custom CSS > Desktop:

.mc4wp-form>div>p:first-child {
  max-width: 400px;
}
.mc4wp-form-fields > p:first-child {
  display: inline-flex;
}
.mc4wp-form-fields > p:first-child > input[type="email"] {
  margin-left: 15px;
}
.mc4wp-form-fields > p:first-child > input {
  max-width: 200px;
}

Best Regards