How to Inspect Element using Safari Browser
In your Safari menu bar click Safari > Preferences & then select the Advanced tab.
Select: "Show Develop menu in menu bar"
Now you can click Develop in your menu bar and choose Show Web Inspector
You can also right-click and press "Inspect element".
Press CMD + ,
than click in show develop menu in menu bar. After that click Option + CMD + i
to open and close the inspector