Locators :cssSelector

`package locators;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
public class csslocators {

public static void main(String[] args) {
    WebDriver ch = new ChromeDriver(); // finding element by id
    ch.get("https://www.saucedemo.com/"); 
    //using cssSelector id attribute
    ch.findElement(By.cssSelector("input[id='user-name']")).sendKeys("standard_user");
    ch.findElement(By.cssSelector("input[id='password']")).sendKeys("secret_sauce");
    ch.findElement(By.cssSelector("input[id='login-button']")).click();

    //using cssSelector name attribute
    ch.findElement(By.cssSelector("input[name='user-name']")).sendKeys("standard_user");
    ch.findElement(By.cssSelector("input[name='password']")).sendKeys("secret_sauce");
    ch.findElement(By.cssSelector("input[name='login-button']")).click();

}

}
`