Selenium WebDriver Auto-Fill

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using OpenQA.Selenium;
using OpenQA.Selenium.Chrome;
using OpenQA.Selenium.Interactions;

namespace AutoFill
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            ChromeDriver driver = new ChromeDriver();
            driver.Navigate().GoToUrl("https://www.famousfootwear.com/account/login#!/account-lookup");

            IWebElement emailBox = driver.FindElementByCssSelector("#account-email");
            IWebElement signUp = driver.FindElementByCssSelector("#lookupForm > button");

            if(emailBox != null)
            {
                //Auto-fill email:
                Actions actions = new Actions(driver);
                actions.MoveToElement(emailBox);
                actions.Click();
                actions.SendKeys("example@yahoo.com");

                //Click sign-up button:
                actions.MoveToElement(signUp);
                actions.Click();

                //Perform actions:
                actions.Build().Perform();
            }
        }
    }
}