title: Xpath for Log-in
body: <p>I am trying to click on "Log in" link present on home page of "stackoverflow" using xpath as show as below. But no success</p>
  
  <p>driver.findElement(By.xpath("//a[contains(text(),'log in')]")).click();</p>
  
  <p>Please help what i m missing here.</p>
  
  <ul>
  <li>Thanks</li>
  </ul>