Menu Developer Tools di Browser

 Microsoft Edge : Ctrl+Shift+i

Mozzila Firefox : Firefox Developer Edition (mozilla.org)

Google Chrome

Safari :To view the development tools in Safari, you can follow these steps:

1. Open Safari on your desktop.
2. Click on the Safari menu in the top-left corner of the screen.
3. Select Preferences from the drop-down menu.
4. Click on the Advanced tab.
5. Check the box next to Show Develop menu in menu bar.
6. Now you can access Safari Developer Tools from the Develop menu in the menu bar 123.

I hope this helps!