Open the webpage in your browser
Right-click on the page
Select Inspect or Inspect Element
Or press Ctrl+Shift+I on Windows or Linux
Or press Cmd+Option+I on Mac
Use the Elements tab to view and edit HTML and CSS
Use the Console tab to run JavaScript commands
Use the Network tab to inspect page requests
Use the Sources tab to view page files and scripts
Close the panel by clicking the X or pressing the shortcut again